Various Tweaks, Prepping for New Enemy Health

…Systems stuff
Fixed merge conflicts in HowieS and YarlaCtrl. Reworked enemy health system.
Enemy Health and Shield Health

Lots o tweaks to enemy and shield health, for the better probably.
Playtest Build

Prepping Playtest build 9/30/14
Merge branch 'experimental' of https://github.com/MichaelQ94/howieandyarla into experimental