Fix Typhoon Wyvern respawn time

In response to https://github.com/DarkstarProject/darkstar/issues/292
Add Brave's Warbonnet and Stout Bonnet to reward recast time reduction

Initially only took into account Bison/Khimaira bonnets
Added the HQ versions.
Merge pull request #329 from MarkWaldron/master

Correct Typhoon Wyvern respawn time; Reward Recast on Headgear