Merge pull request #21 from JALsnipe/master

merged Dan's work
Merge pull request #22 from JALsnipe/master

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Merge pull request #23 from JALsnipe/master

GameObjects no longer fall off plane and (shouldn't) have any collision ...
Few revisions:
Changed project settings to use landscape mode on mobile device.
Added more buttons to GUI.
Minor raycasting/wayfinding adjustments.