diff --git a/debian/compat b/debian/compat
index f599e28b8..ec635144f 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-10
+9
diff --git a/debian/control b/debian/control
index 4983e6987..02b9f5571 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: python
 Priority: optional
 Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
 Uploaders: Yaroslav Halchenko <debian@onerussian.com>, Michael Hanke <michael.hanke@gmail.com>
-Build-Depends: debhelper (>= 10~),
+Build-Depends: debhelper (>= 9~),
                dh-python,
                python-all-dev (>= 2.6.6-3~),
                python-setuptools,
diff --git a/doc/about.rst b/doc/about.rst
index 218b0ad89..a9df62f1d 100644
--- a/doc/about.rst
+++ b/doc/about.rst
@@ -193,7 +193,8 @@ Donating to the project
 ~~~~~~~~~~~~~~~~~~~~~~~
 
 If you are interested in donating to the project or to one of our code-sprints, you can use
-the *Paypal* button below or the `NumFOCUS Donations Page <http://www.numfocus.org/support-numfocus.html>`_ (if you use the latter, please indicate that you are donating for the scikit-learn project).
+the `*Paypal* button on upstream website <http://scikit-learn.org/stable/about.html#donating-to-the-project>`_
+or the `NumFOCUS Donations Page <http://www.numfocus.org/support-numfocus.html>`_ (if you use the latter, please indicate that you are donating for the scikit-learn project).
 
 All donations will be handled by `NumFOCUS
 <http://www.numfocus.org>`_, a non-profit-organization which is
@@ -206,24 +207,6 @@ the project funded and available while in compliance with tax regulations.
 The received donations for the scikit-learn project mostly will go towards covering travel-expenses
 for code sprints, as well as towards the organization budget of the project [#f1]_.
 
-.. raw :: html
-
-    </br></br>
-    <form action="https://www.paypal.com/cgi-bin/webscr" method="post"
-    target="_top">
-    <input type="hidden" name="cmd" value="_s-xclick">
-    <input type="hidden" name="hosted_button_id" value="74EYUMF3FTSW8">
-    <input type="image"
-    src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif"
-    border="0" name="submit" alt="PayPal - The safer, easier way to pay
-    online!" style="position: relative;
-    left: 40%;">
-    <img alt="" border="0"
-    src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1"
-    height="1">
-    </form>
-    </br>
-
 .. rubric:: Notes
 
 .. [#f1] Regarding the organization budget in particular, we might use some of the donated funds to pay for other project expenses such as DNS, hosting or continuous integration services.
@@ -237,44 +220,12 @@ The 2013 Paris international sprint
  |end-div|
 
 
-
-.. |center-div| raw:: html
-
-    <div style="text-align: center; margin: -7px 0 -10px 0;">
-
-
-.. |telecom| image:: themes/scikit-learn/static/img/telecom.png
-   :width: 120pt
-   :target: http://www.telecom-paristech.fr/
-
-
-.. |tinyclues| image:: https://www.tinyclues.com/web/wp-content/uploads/2016/06/Tinyclues-PNG-logo.png
-   :width: 120pt
-   :target: https://www.tinyclues.com/
-
-
-.. |afpy| image:: https://www.afpy.org/static/images/logo.svg
-   :width: 120pt
-   :target: https://www.afpy.org
-
-
-.. |SGR| image:: http://www.svi.cnrs-bellevue.fr/wikimedia/images/Logo_svi_inp.png
-   :width: 120pt
-   :target: http://www.svi.cnrs-bellevue.fr
-
-.. |FNRS| image:: http://www.fnrs.be/en/images/FRS-FNRS_rose_transp.png
-   :width: 120pt
-   :target: http://www.frs-fnrs.be/
-
-.. figure:: images/dysco.png
-   :width: 120pt
-   :target: http://sites.uclouvain.be/dysco/
-
-   IAP VII/19 - DYSCO
-
-.. |end-div| raw:: html
-
-  </div>
+`telecom <http://www.telecom-paristech.fr/>`_,
+`tinyclues <http://www.tinyclues.com/>`_,
+`afpy <http://www.afpy.org>`_
+`SGR <http://www.svi.cnrs-bellevue.fr>`,
+`FNRS <http://www.frs-fnrs.be/>`_,
+`IAP VII/19 - DYSCO <http://sites.uclouvain.be/dysco/>`_.
 
 *For more information on this sprint, see* `here
 <https://github.com/scikit-learn/administrative/blob/master/sprint_paris_2013/proposal.rst>`__
diff --git a/doc/conf.py b/doc/conf.py
index e0dc4c6f4..96c104ab5 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -133,7 +133,7 @@ html_theme = 'scikit-learn'
 # further.  For a list of options available for each theme, see the
 # documentation.
 html_theme_options = {'oldversion': False, 'collapsiblesidebar': True,
-                      'google_analytics': True, 'surveybanner': False,
+                      'google_analytics': False, 'surveybanner': False,
                       'sprintbanner': True}
 
 # Add any paths that contain custom themes here, relative to this directory.
@@ -232,12 +232,10 @@ trim_doctests_flags = True
 # intersphinx configuration
 intersphinx_mapping = {
     'python': ('https://docs.python.org/{.major}'.format(
-        sys.version_info), None),
-    'numpy': ('https://docs.scipy.org/doc/numpy/', None),
-    'scipy': ('https://docs.scipy.org/doc/scipy/reference', None),
-    'matplotlib': ('https://matplotlib.org/', None),
-    'pandas': ('https://pandas.pydata.org/pandas-docs/stable/', None),
-    'joblib': ('https://joblib.readthedocs.io/en/latest/', None),
+        sys.version_info), '/usr/share/doc/python3.6/html/objects.inv'),
+    'numpy': ('https://docs.scipy.org/doc/numpy/', '/usr/share/doc/python-numpy-doc/html/objects.inv'),
+    'scipy': ('https://docs.scipy.org/doc/scipy/reference', '/usr/share/doc/python-scipy-doc/html/objects.inv'),
+    'matplotlib': ('https://matplotlib.org/', '/usr/share/doc/python-matplotlib-doc/html/objects.inv'),
 }
 
 sphinx_gallery_conf = {
diff --git a/doc/developers/contributing.rst b/doc/developers/contributing.rst
index 31f5e5ef8..b8959316e 100644
--- a/doc/developers/contributing.rst
+++ b/doc/developers/contributing.rst
@@ -68,7 +68,6 @@ link to it from your website, or simply star to say "I use it":
    <a class="github-button" href="https://github.com/scikit-learn/scikit-learn"
    data-icon="octicon-star" data-size="large" data-show-count="true" aria-label="Star
    scikit-learn/scikit-learn on GitHub">Star</a>
-   <script async defer src="https://buttons.github.io/buttons.js"></script>
 
 .. topic:: Contributing to related projects
 
diff --git a/doc/sphinxext/github_link.py b/doc/sphinxext/github_link.py
index 38d048687..38ce93c0a 100644
--- a/doc/sphinxext/github_link.py
+++ b/doc/sphinxext/github_link.py
@@ -5,7 +5,8 @@ import os
 import sys
 from functools import partial
 
-REVISION_CMD = 'git rev-parse --short HEAD'
+#REVISION_CMD = 'git rev-parse --short HEAD'
+REVISION_CMD = 'cat ../debian/github-revision.txt'
 
 
 def _get_git_revision():
diff --git a/doc/themes/scikit-learn/theme.conf b/doc/themes/scikit-learn/theme.conf
index 716b82a02..af1c34d12 100644
--- a/doc/themes/scikit-learn/theme.conf
+++ b/doc/themes/scikit-learn/theme.conf
@@ -6,6 +6,6 @@ pygments_style = tango
 [options]
 oldversion = False
 collapsiblesidebar = True
-google_analytics = True
+google_analytics = False
 surveybanner = False
 sprintbanner = True
diff --git a/doc/tutorial/machine_learning_map/index.rst b/doc/tutorial/machine_learning_map/index.rst
index 3690d76b3..fec3508b8 100644
--- a/doc/tutorial/machine_learning_map/index.rst
+++ b/doc/tutorial/machine_learning_map/index.rst
@@ -64,7 +64,6 @@ Click on any estimator in the chart below to see its documentation.
     </style>
 
     <body>
-        <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
 	<script type="text/javascript" src="../../_static/jquery.maphilight.min.js"></script>
 	<script type="text/javascript" src="../../_static/jquery.min.js"></script>
 	<script type="text/javascript">$(function() {
diff --git a/setup.cfg b/setup.cfg
index 59c4804c1..34018ed23 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,7 +9,6 @@ addopts =
     --ignore benchmarks
     --ignore doc
     --ignore examples
-    --doctest-modules
     --disable-pytest-warnings
     -rs
 
diff --git a/sklearn/_build_utils/__init__.py b/sklearn/_build_utils/__init__.py
index 0ed4968a1..91aa60f62 100644
--- a/sklearn/_build_utils/__init__.py
+++ b/sklearn/_build_utils/__init__.py
@@ -81,4 +81,4 @@ def maybe_cythonize_extensions(top_path, config):
             exc.args += (message,)
             raise
 
-        config.ext_modules = cythonize(config.ext_modules)
+        config.ext_modules = cythonize(config.ext_modules, nthreads=int(os.environ.get('JOBS', 1)))
diff --git a/sklearn/datasets/lfw.py b/sklearn/datasets/lfw.py
index cf09f366c..07c055e34 100644
--- a/sklearn/datasets/lfw.py
+++ b/sklearn/datasets/lfw.py
@@ -184,7 +184,7 @@ def _load_imgs(file_paths, slice_, color, resize):
         face = np.asarray(img[slice_], dtype=np.float32)
         face /= 255.0  # scale uint8 coded colors to the [0.0, 1.0] floats
         if resize is not None:
-            face = imresize(face, resize)
+            face = imresize(face, (h, w))
         if not color:
             # average the color channels to compute a gray levels
             # representation
diff --git a/sklearn/ensemble/tests/test_forest.py b/sklearn/ensemble/tests/test_forest.py
index d7586c286..e7221e372 100644
--- a/sklearn/ensemble/tests/test_forest.py
+++ b/sklearn/ensemble/tests/test_forest.py
@@ -37,6 +37,7 @@ from sklearn.utils.testing import assert_warns
 from sklearn.utils.testing import assert_warns_message
 from sklearn.utils.testing import assert_no_warnings
 from sklearn.utils.testing import ignore_warnings
+from sklearn.utils.testing import skip_if_no_parallel
 
 from sklearn import datasets
 from sklearn.decomposition import TruncatedSVD
@@ -1282,10 +1283,11 @@ class MyBackend(LokyBackend):
 register_parallel_backend('testing', MyBackend)
 
 
+@skip_if_no_parallel
 def test_backend_respected():
     clf = RandomForestClassifier(n_estimators=10, n_jobs=2)
 
-    with parallel_backend("testing") as (ba, _):
+    with parallel_backend("testing") as (ba, n_jobs):
         clf.fit(X, y)
 
     assert ba.count > 0
diff --git a/sklearn/externals/setup.py b/sklearn/externals/setup.py
index 452f7d25d..985503ce3 100644
--- a/sklearn/externals/setup.py
+++ b/sklearn/externals/setup.py
@@ -4,10 +4,5 @@
 def configuration(parent_package='', top_path=None):
     from numpy.distutils.misc_util import Configuration
     config = Configuration('externals', parent_package, top_path)
-    config.add_subpackage('joblib')
-    config.add_subpackage('joblib/externals')
-    config.add_subpackage('joblib/externals/loky')
-    config.add_subpackage('joblib/externals/loky/backend')
-    config.add_subpackage('joblib/externals/cloudpickle')
 
     return config
diff --git a/sklearn/feature_extraction/tests/test_text.py b/sklearn/feature_extraction/tests/test_text.py
index d6b1b2b64..f9617bfe9 100644
--- a/sklearn/feature_extraction/tests/test_text.py
+++ b/sklearn/feature_extraction/tests/test_text.py
@@ -371,6 +371,10 @@ def test_tfidf_no_smoothing():
         numpy_provides_div0_warning = len(w) == 1
 
     in_warning_message = 'divide by zero'
+    import platform
+    if platform.uname()[4].startswith('armv'):
+        raise SkipTest("no warning gets issued on armel")
+
     tfidf = assert_warns_message(RuntimeWarning, in_warning_message,
                                  tr.fit_transform, X).toarray()
     if not numpy_provides_div0_warning:
diff --git a/sklearn/linear_model/tests/test_logistic.py b/sklearn/linear_model/tests/test_logistic.py
index 4195405b8..04a857ccf 100644
--- a/sklearn/linear_model/tests/test_logistic.py
+++ b/sklearn/linear_model/tests/test_logistic.py
@@ -26,6 +26,7 @@ from sklearn.utils.testing import assert_warns
 from sklearn.utils.testing import ignore_warnings
 from sklearn.utils.testing import assert_warns_message
 from sklearn.utils.testing import assert_no_warnings
+from sklearn.utils.testing import skip_if_no_parallel
 
 from sklearn.exceptions import ConvergenceWarning
 from sklearn.exceptions import ChangedBehaviorWarning
@@ -146,6 +147,7 @@ def test_logistic_cv_score_does_not_warn_by_default():
     assert len(record) == 0
 
 
+@skip_if_no_parallel
 def test_lr_liblinear_warning():
     n_samples, n_features = iris.data.shape
     target = iris.target_names[iris.target]
diff --git a/sklearn/metrics/tests/test_ranking.py b/sklearn/metrics/tests/test_ranking.py
index b921fb112..1d4744fa9 100644
--- a/sklearn/metrics/tests/test_ranking.py
+++ b/sklearn/metrics/tests/test_ranking.py
@@ -612,6 +612,10 @@ def test_precision_recall_curve_toydata():
 
         y_true = [0, 0]
         y_score = [0.25, 0.75]
+        import platform
+        if platform.uname()[4].startswith('armv'):
+            import nose
+            raise nose.SkipTest("no precision-related exceptions get issued on armel")
         assert_raises(Exception, precision_recall_curve, y_true, y_score)
         assert_raises(Exception, average_precision_score, y_true, y_score)
 
diff --git a/sklearn/tests/test_init.py b/sklearn/tests/test_init.py
index 75c9dd921..72a4625b1 100644
--- a/sklearn/tests/test_init.py
+++ b/sklearn/tests/test_init.py
@@ -30,6 +30,7 @@ def test_import_skl():
 def test_import_sklearn_no_warnings():
     # Test that importing scikit-learn main modules doesn't raise any warnings.
 
+    message = "No message yet"
     try:
         pkgs = pkgutil.iter_modules(path=sklearn.__path__, prefix='sklearn.')
         import_modules = '; '.join(['import ' + modname
diff --git a/sklearn/utils/testing.py b/sklearn/utils/testing.py
index 75b378961..4de7757b0 100644
--- a/sklearn/utils/testing.py
+++ b/sklearn/utils/testing.py
@@ -763,6 +763,8 @@ try:
                                      reason='skip on travis')
     fails_if_pypy = pytest.mark.xfail(IS_PYPY, raises=NotImplementedError,
                                       reason='not compatible with PyPy')
+    skip_if_no_parallel = pytest.mark.skipif(not joblib.parallel.mp,
+                                             reason="joblib is in serial mode")
 
     #  Decorator for tests involving both BLAS calls and multiprocessing.
     #