Merge pull request #360 from lahmizzar/dev

Added new and updated translations, added transifex config, changed readme
Fixed: Filter for assigned user was never populated in the frontend. Closes #262
Fixed: Passed null value to array_reverse, causing php notice
Fixed: Completed tasks would still show as overdue. Now showing completition date instead. Fixes #400
Fixed: Fatal error in all feed views
Fixed: Forum notifications not working. Closes #380
Fixed: Undefined index notice when saving a time record
Fixed: Save and New not working in the frontend for time tracking. Closes #378
Fixed: Users who are not assigned to a task can no see if the task has been completed. Close #357
Added task completition filter option. Closes #187
Fixed: Missing "trash" and "delete" bulk actions in project frontend view. Relates to #271
Fixed: Wrong task list asset name. Related to #406
Added missing priority and completition filter to backend tasks in J 2.5
Merge pull request #1 from projectfork/dev

Update dev branch