Merge pull request #14 from onato/master

iOS 7 Support
Update FDStatusBarNotifierView.m

Fixed compile error that squeezed through from and older version.
Merge pull request #15 from onato/patch-1

Update FDStatusBarNotifierView.m
Prevent the status bar from being prematurely re-displayed when showing multiple messages.
Merge branch 'master' of https://github.com/frankdilo/FDStatusBarNotifierView