Add previews for different monster animations

[Soreepeong]

• R: Reset animation playback status, along with resetting viewport
• <(,): Play previous animation
• >(.): Play next animation
• ?(/): Play/pause
• N: Previous frame
• M: Next frame
• K: Decrease playback speed by 0.05x
• L: Increase playback speed by 0.05x

Additionally, the following has been changed for Camera.

• RMB drag: Adjust relative X/Y camera position. (up/down/left/right)
• Wheel: Adjust relative Z camera position. (front/back)

[bnthomason]

How do I build this? There are errors I don't know how to fix when building, even on the normal xivapi.

I wish this feature would be added, would like to make use of this.