Added level description file to levels folder
Merge branch 'master' of github-katfom:BlobbyProj/Blobby into katya
renamed pausePressed.png, and added hotkey for pause and hotkey for starting the game with the return key
Added hotkey q for quitting the game
Merge branch 'master' of github.com:BlobbyProj/Blobby into deanna
Added FallingObj class and made Enemy and PlayerCharacter subclasses of it