Trinkets.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17186 3b4652a1-8050-0410-ac47-3d40261b0f8b
Tank:
Vengeance nerfs do not affect challenge_mode

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17187 3b4652a1-8050-0410-ac47-3d40261b0f8b
Warrior / Pct_heal:
Added the possibility to crit (in general), deactivate it for the warrior heals, and some housekeeping on the different result_amounts

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17188 3b4652a1-8050-0410-ac47-3d40261b0f8b