[3028] Implement more content for Yogg-Saron encounter
[3029] Implement Yogg-Saron illusions
[3030] Implement more details for Yogg-Saron and Ulduar

* Hard mode achievements and loot
* Proper phase 3 transition
* Detailed comments
* More achievement defines
[3031] Implement friendly keepers and sanity for Yogg-Saron encounter
[3032] Implement support for achievements 3008 and 3010