Performance increase on user creation (remove some flushes).
Refactoring the administration menu.
Users list can be uploaded with csv.
Users can be added without personal workspace (it'll be created of the first login).
Fixing tests.
Merge pull request #15 from claroline/user_csv_import

User csv import
Downgrade forum bundle version
Changed date-range and stats forms
Changed chart data and date range picker
Theme documentation update
Merge branch 'master' of https://github.com/claroline/Claroline into documentation