added support for printing the distance the hero traveled onto the hud, and provided getters for lots of scores, in anticipation of supporting persistent scores
updated a todo comment
Merge branch 'master' of https://github.com/mfs409/liblol
level 32 now has an on-level-complete trigger.  It also uses a new, lightweight interface to persistent preferences to save a high score, and to display it in the world (not on the HUD)