Initial check-in for Spacewar sample.

* Touch game controls implemented (tested working on Win 8) - not working on GL build? no touch?
* Input controls need fully updating for menus along with keys
* Only WinGL and Win 8 platforms tested, will expand shortly
* Shaders need a serious look at, actually getting different results on GL and Win 8
Merge pull request #13 from DDReaper/Spacewar_Sample_develop

Initial check-in for Spacewar sample.