Instancing Components in Code

Started to use AddComponent to add all of the game logic via the
GameLogic class. Currently the input does not work correctly -
Attempting to debug
Added LocalInput to the player

Successfully attached input handling to the instantiated player.
Added a wall around the map

Added a wall around the map, currently made of bits of fountain. Also
made the map smaller
Changed the walls to use a placeholder prefab

Walls now use a placeholder prefab of a cube
Merge pull request #7 from Wedgebear/master

Added instantiated input handling to the player