Create AddittUncaughtExceptionHandler class

Abstracting all the details out of MapleApplication and into its own
class
Fix ad manager log bug

If ad creation hadn't started yet then the manager was null and causing
problems.
Get rid of AddittException class

Replaced by AddittUncaughtExceptionHandler which is more comprehensive
Fix style bug for full screen activity
Merge pull request #255 from elihart/crashHandler

Crash handler