Update Pet System

This will fix: 

https://github.com/ProjectSkyfire/SkyFireEMU/issues/794
https://github.com/ProjectSkyfire/SkyFireEMU/issues/933
https://github.com/ProjectSkyfire/SkyFireEMU/issues/931
https://github.com/ProjectSkyfire/SkyFireEMU/issues/579
https://github.com/ProjectSkyfire/SkyFireEMU/issues/535

Also it fixes the React States, i.e. Passive, Aggressive and Defensive. Commands are working to. Attack, Follow, Stay. Of course the Spells are working to. 

http://www.youtube.com/watch?v=6WVJV38daYk