Update copyright year to 2014

I wondered if the app was stale the first time I opened the about page.  Users should feel great about an app with this much development activity.
Fixed proguard issues
Hide queue/unread count in navdrawer if it is 0
Merge branch 'patch-1' of git://github.com/axq/AntennaPod into axq-patch-1
Merge branch 'axq-patch-1' into develop