Updated Rob's failed Grid class.
Made grid construct with Tile[][]
Added Camera Class
Merge pull request #1 from rcw4444/master

Added Camera
Placed all in engine package.
Updated about everything. No big deal.
Updated PlayerObject and other classes accordingly

Collision and everything should be working.
Finished camera panning
Added stuff not needed maybe who knows.
Changed where images are saved and updated other.
Tried implementing slopes on tiles.
Merge pull request #1 from timothytyang/master

asdf