Give safari another try
Merge pull request #168 from latin-language-toolkit/safari

Add safari to tested browsers
Fix message watching in NotifierCtrl
Use notifier in MainCtrl
Activate notifier in staging2
Fix typo in notifier
Add Message prototype to notifier
Fix maximum length for messages
Reset notifier on MainCtrl.init
Add css classes for messages
Delete an empty line again...
Make notifier.lastMessage() static
Add currentMessage directive
Use currentMessage in navbar1 template
Colorize error messages
Remove NotifierCtrl - using directives instead
If all else fails, return empty confs
Make notifier configurable

And make use of default values in case such a configuration wasn't
specified.
Add conf for notifier in staging2
Clear message after a given time