Create LevelTitleScreen

Level title screens introduce the level screen
Set up a test level title screen in loser game

also fix the naked decimal in Entity
Start adding timer

unfinished
Finish up timer

untested
Set SEC_PER_CHAR to be very short
Create option to manually set title screen length
Title screen quacks

It is the sound of transition
Disable continuous rendering on a title screen

Reenable before the title screen calls finish()
Finishing touches

Remove old comment
Move some stuff
Merge branch 'transition_screen' into develop

Conflicts:
	core/src/com/sweatyreptile/losergame/LoserGame.java