Lots of Changes

- Added output class directory
- Began working on GUI (will replace EmberEngine.UI)
- Added a sample for testing the GUI system
- Re-arranged content
- Added a post-build to content to copy files directly to samples
content folder (needs to be fixed locally upon DL)
- Added a post-build to output class to copy directly to sample's DLL
folder (needs to be fixed locally on DL)
Post-Build Fixes

Fixed post builds, should no longer need to be fixed when downloaded