Merge pull request #8 from madrusec/master

Pull over changes such as switch camera option
to be reverted
Enhanced start menu with level choices

Also made other small changes here and there
Merge branch 'master' of https://github.com/galaxode/AI_Project_2
Added Comments to PlayerItemController
Modified MenuTextControll and other small changes

Now the menu wall comes up gradually and level buttons appear after the
wall is up. Fixed a bug so that you cannot keep clicking "Choose Level"
and have the menu wall keep going up into the sky. Also corrected World
Gem prefab name to Word Gem
Merge pull request #8 from galaxode/master

Enhanced start menu and other changes