Initial commit
New admin page settings. Fixed css styles for Firefox compatibility. Fixed category lang string
Fixed: retry a job now copy the attached file
Removed try and catch. DB transaction moved to cron function. New css style for task batch params
Fixed bug with alias files. Fixed link to local_batch when user is admin
Modified backups selection on import courses
Fixed backups path, no start slash required
Added courses configuration
Added course prefixes on config courses
Fixed lang strings
Fixed bug calling html_writer class
Disabled prefix text field when user selects remove
Backup process save calendar events and users