Druid:
 - Implement cenarion_ward.
 - Change leader_of_the_pack to a heal.
 - Fix crash caused by using frenzied_regeneration but not savage_defense in a simulation.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17701 3b4652a1-8050-0410-ac47-3d40261b0f8b
Druid: Add note on cenarion_ward implementation.

git-svn-id: http://simulationcraft.googlecode.com/svn/trunk@17702 3b4652a1-8050-0410-ac47-3d40261b0f8b