Refactored and expanded sale session restriction
Flush ACL cleanup
Working on MailBundle
Fixed admin icons
Merge remote-tracking branch 'LitusProject/master' into dev-form

Conflicts:
	module/CudiBundle/Form/Admin/Sales/Session/Restriction/Add.php
Working on multiple file upload
Moved MailBundle to new form system
set form elements in order they are added, rather than elements first, fieldsets last
Merge branch 'dev-form' of github.com:LitusProject/Litus into dev-form
Merge remote-tracking branch 'origin/dev-form' into dev-test