Add in treasures, gibson, and GUI scripts. Added textures and created resource file

New Textures:
heightTexture.png
gibson.png
colorTexture.png

New RAW:
heightMap.raw

New Scripts
Treasure.cs - Controls treasure objects
GUI_Window.cs - Infowindow
GibsonPillars.cs - Display A grid of pillars

Updated Scripts
NOController.cs - only search for non-tagged treasures and (attempt) to handle collisions

Scene Update:
Added treasures. Attached GibsonPillars script to the scene.