Copied new content into debug/release folders
Added bug fixes, more fields to EditorMaterialSet
Updated EditorObject's Update() function

Now returns a boolean indicating whether Update() failed.
Fixed various issues with EditorObjects
Removed ooollld MGame stuff from project file
Fixed/updated "raymarchedterrain.txt"
Fixed bug in MTexture2D with loading textures upside-down
Fixed color vs. greyscale bug with static GUI Material
Removed extra whitespace (empty line)
Small fixes to GUILabel extents calculation
Fixed GUITexture animation when clicked on
Fixed bug with cursor rendering in GUITextBox
Fixed GUIPanel Extents calculation
Refactored modification of GUIFormattedPanel elements
Fixed EditorPanel behavior
Replaced all GUITestWorld stuff with EditorPanel test
Simplified GUIManager

GUIManager takes in the GUIElementPtr root element