Some doc update.
small uml diagram update
typo
Merge branch 'master' of https://github.com/claroline/CoreBundle into doc
Fixing WidgetInstanceType & ResourceRightsRepository prepared statements.
Fixing prepared statements.
Fixing messages user selection.
Merge pull request #122 from ngodfraind/bugfix

Bugfix
Styled select box with bootstrap
Added cursor on create menu
Fixed wrong translation
Merge pull request #123 from stefk/ui-fixes

Ui fixes
Merge pull request #109 from ngodfraind/doc

Doc