fix error
fixed bug delete if notifications are empty
Merge pull request #37 from solispauwels/master

fix error
Merge pull request #38 from claroline/delete-users

fixed bug delete if notifications are empty
reply to a specific post
custom installer
checkstyle
fix bug additionnal installer
Merge pull request #41 from claroline/posts-reply

reply to a specific post
Fixed updater bug (closes claroline/Claroline#606)
Replaced tabs by spaces
Fixed subject creation error (closes #43)
Removed answer button in closed subjects
Used correct route for public profile
Fixed translations
Fixed open/close link
Added original author name in nested replies
Merge pull request #44 from claroline/bug-fixes

Bug fixes
Changed labels in forum back_to buttons

- [Back to "my forum resource"] lead to subjects list of one forum. So changed it to [Back to subjects]
- [Back to categories] is not very clear so changed it to [Back to forums]
Remove unused translation lines