Hot keys for editor mode and improvements

Thanks to everybody who report me the bugs in the game and give the ideas about new functions and improvements! I have made by your requests:

Improvements: + Fix of primary character auto walk speed + Fix of couple animation timing after load scene + Fix of Work on PC animation after load scene + Hot keys for editor mode Save - Left Control + S Go to play mode - Left Control + P View (Q) Move (W) Rotate (E) Scale (R) Scale (T) Center (Z) Global (X)