Reduced index length to work ok on mysql 5.6.
Fixed broken stylesheet URL in case of using treeview.
Fixed a bug where session storage in DB fails on MySQL 5.6.
Code cleanup.
Improved usability: only show queues with tickets.
backup script doesn\' work if we only want to keep today\'s backup (option "-r 0"). Cyrille
Fixed background gradient issue.
backup script doesn\' work if we only want to keep today\'s backup (option "-r 0"). Cyrille
Merge branch 'fix-backup' of http://github.com/belnet-ict/otrs into fix-backup

Conflicts:
	scripts/backup.pl
Synchronized translation files.
Prepare for release.
Fixed changes line.
Merge branch 'fix-backup' of https://github.com/belnet-ict/otrs
Typo: vaild -> valid.
Reformatted obsolete usage of "( ?" to remove warning in perl 5.18.
Removed uppercase navigation font to save space.
Fixed bug#9742 - Double close icon on TreeView for Customer Interface.
Improved error handling in AdminType.
Removed unneeded code.
Removed obsolete file. Info is in admin manual.