Merge pull request #2762 from sergiopasra/fedora-package

Update the install documentation to add a paragraph about installing a binary release in Fedora
Merge pull request #2761 from ogrisel/thanks

[MRG][DOC] Add thanks for infrastructure supporters
Use assert_raises_regexp to check error messages
BUG: dual_coef must be defined inside the try block.
ENH: made example/svm/plot_iris.py clearer
Merge pull request #2760 from AlexanderFabisch/check_error_patterns

[MRG] Check error message with regex
TST: add Py2.6 on travis
BUG: assert_raises_regexp for Py2.6 compatibility
TST: get travis to find the system packages
TST: try to get travis to work with Py2.6
TST: get travis working on Py26 and Py27

I had to rely on conda for Py26. Waiting for wheels for later

TST: try to get Py2.6 on travis

TST: use conda for python 2.6

Fix bug in .travis.yml

Fix .travis.yml

TST: Try to fix travis

TST: fix travis on 2.7
TST: Add Python 3.3 to travis
Merge pull request #2767 from GaelVaroquaux/my_master

TST: get travis working on Py26 and Py27
Update to mean shit clustering narrative documentation.
Update to docstring of meanshift
docstring of module
Fix typos found by Alexandre
DOC fix documentation to match default value
ENH remove unnecessary CSR->CSC transform in text feature extractors
python 3 compatibility fix