Fix NPE when fragment detached from activity
Avoid NullPointerException
Avoid IllegalStateException

Reported for Kaiten:
java.lang.IllegalStateException: Can not perform this action after
onSaveInstanceState
...
at android.support.v4.app.DialogFragment.dismiss
Add "Mark all as read" action to message list
Show "check mail" action when displaying Unified Inbox etc.
Fix unread count in notifications (again)
Update German translation
Make status display less awkward when checking mail from Unified Inbox

We really need to fix the ActivityListener madness :(
simplify the messagelist chips based on lots of user screaming. default checkboxes to being on.
Update strings.xml
Update German translation.
Make the label on the "mark read" action on Jelly Bean notifications less confusing
Merge pull request #290 from rk4an/master

Update French translation
Fix typo in German translation.
Merge pull request #293 from justdave/notification_mark_read

Make the label on the "mark read" action on Jelly Bean notifications less confusing
Remove explicit left-alignment so EditText works with RTL languages
Fix settings file versioning
Better cope with messages having identical message IDs
Avoid NullPointerException
Avoid another NPE