Cache the player's current mastery (specialization) and stance.

Cache the player's current mastery (specialization) and stance.

Use the cached stance information instead of calling the WoW function
GetShapeshiftForm().

Correctly set the energy regeneration for Brewmaster Monks in Stance of
the Sturdy Ox (increased by 10%).

All monks in Stance of the Fierce Tiger will generate one extra Chi per
Jab Expel Harm.

git-svn-id: svn://svn.curseforge.net/wow/ovale/mainline/trunk@577 d5049fe3-3747-40f7-a4b5-f36d6801af5f