Character Selection & Loading Screens

-The Title Screen is now the loading screen as the mobile and database backend initialize. Once everything is completed, the Play button appears.
-Character creation / initialization code removed from Game and moved into the Player class.
-Character class now parses XML objects for appropriate values
-Changed the character select screen to allow for multiple characters loaded in from XML. Until character art is complete, the MissingImage graphic will be used as placeholder.
-Renamed CharacterSelect.as to CharacterSelectScreen.as

BUGS:
-The Title Screen could use a loading progress bar or a scroll wheel.
-Character sprites are not functional yet.
-Character Select screen scrolls erratically.
-Create Character button on Character Select screen not yet working.