Update Mainscreen Background so that "MoonVille Lunar Industry" is now
the game Title.
Add device mount check for when checking for files
Redirect so that it opens the Savegame screen rather than the new game
screen
Remove Singleton pattern from GameDetails and added move game turns into
this class.
Add file-reading capabilities to the load/save game screens. The save
games screens now show information about the games that are saved.
Add the functionality to create new save games.
Comment out some old singleton dependent things, this class still needs
reworking.
Move the turn management part to the Game detail class. Remove some
singleton code.