Update French translation

Organisation - Typo - ...
Update to Bootstrap v2.2.0
Update conditional feed method
Update to Bootstrap 2.2.1
Fix for compatibility with ubermenu

Fix for issue #586
Fix #580 - Menu always gets added & set on activation

Also updated the method of setting the permalink structure
on activation.
Remove lib/post-types.php and lib/metaboxes.php

We now recommend placing custom post types and
metaboxes within a plugin that contains all of
your site specific functionality.

See the latest update to https://github.com/retlehs/soil
to find an example:

https://github.com/retlehs/soil/tree/master/mu-plugins/base
Merge pull request #587 from wilsonwc/master

Fix for compatibility with ubermenu
Clean up 26deb029ee
Use entry-summary class for excerpts - Closes #589
Merge pull request #584 from LeoColomb/master

 Update French translation
Preserve the search query in the search input when the user performs a search.

This allows people to alter the text instead of retyping their query upon re-searching.
Refactor activation options validation
Yes, this is PHP
Simplify even more
Fix option name variable
Update CHANGELOG
Merge pull request #592 from retlehs/activation_cleanup

Activation cleanup
Fix activation first run check
Once more