Documentation update
Documentation update
Merge pull request #56 from claroline/bug-fixes

Fixed sorting empty folders bug
Documentation update (: note http://www.la-ponctuation.com/deux-points.html)
Readme update
Readme update
Readme update
Readme update
Merge branch 'master' of https://github.com/claroline/Claroline into documentation
Merge pull request #57 from claroline/documentation

Readme update
Add administration configuration for log's widgets
Update widget's documentation
Update widget's documentation
Fixed typo bug in ThumbnailCreator