Version 3.04-highmaul_alpha

* Added the Highmaul raid instance, first boss Kargath Bladefist should
be complete as far as non-mythic goes
* Testing adding heroic dungeons in for WoD, using Skyreach as a test
bed
* More fixing of GetNumGroupMembers (Tv.lua)
* Fix the tagging of legacy raids (visual)
* Allow elite, normal level mobs to be considered bosses (for dungeons)