DOC: add doc on making a release

Author: GaelVaroquaux

doc/developers/maintainer.rst

@@ -0,0 +1,48 @@
+Maintainer / core-developer information
+========================================
+
+Making a release
+------------------
+
+1. Update docs:
+
+    - edit the doc/whats_new.rst file to add release title and commit
+      statistics. You can retrieve commit statistics with::
+
+        $ git shortlog -ns 0.998..
+
+    - edit the doc/conf.py to increase the version number
+
+    - edit the doc/themes/scikit-learn/layout.html to change the 'News'
+      entry of the front page.
+
+2. Update the version number in sklearn/__init__.py, the __version__
+   variable
+
+3. Create the tag and push it::
+
+    $ git tag 0.999
+
+    $ git push origin --tags
+
+4. create tarballs:
+
+   - Wipe clean your repo::
+
+       $ git clean -xfd
+
+   - Register and upload on PyPI::
+
+       $ python setup.py sdist register upload
+
+   - Upload manually the tarbal on sourceforge:
+     https://sourceforge.net/projects/scikit-learn/files/
+
+5. Push the documentation to the website (see README in doc folder)
+
+
+6. Build binaries for windows and push them to PyPI::
+
+    $ python setup.py bdist_wininst upload
+
+   And upload them also to sourceforge

doc/index.rst

@@ -247,6 +247,7 @@ Development
    developers/performance
    developers/utilities
    developers/debugging
+   developers/maintainer
    about
 
 .. toctree::