NumPy 1.8 changed a private interface, but the official interface output useless stuff to the user.

Try to use the old interface and silence part of the printed stuff.
Update NEWS_DEV.txt
pep8
update .mailmap
Add contributor list.
update .mailmap
Allow tests outside this repo to reuse our tester
Update NEWS_DEV.txt
Doc Anaconda Installer don't work anymore on windows.
remove lgpl code
Better error message.
Better error message
Merge pull request #1611 from nouiz/release

Release preparation