Work on Gallimimus, TRex, and merging AStar

- Added spawn to grass and food target heuristics
- Added the code from the newest master as well as A*
- Worked on fixing how the Gallimimus interfaces with AStar
- Got the Gallimimus intelligently finding grass
- Placed the Gallimimus throughout the map
- Started work on TRex
- Implemented FSM and states for TRex
- TRex logic started

@LochNeffMonster @jamcohen please review

@Amarcolina fyi