Paladin: PTR Battle Healer update, cleaned up GAnK buff code

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17184 3b4652a1-8050-0410-ac47-3d40261b0f8b
OSX uses normal getenv too

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17185 3b4652a1-8050-0410-ac47-3d40261b0f8b