Shefki:
	- Remove the HappinessIcon module I missed in the last commit.
	- Remove all references to pet Happiness.
	- Rename VisualHeal5 to just VisualHeal.  Remove ManaSpark module.
	- Delete old HealComm based VisualHeal module.
	- Fix divide by error issues with UnitFrameLayout.lua and 4.3.0
	- Fix divide by zero errors for 4.3.0
