Sparky March 2016 Release (Alpha)

Major New Features:
- Sparky now support Physically-Based Rendering (PBR)
- Sparky now supports rendering in both OpenGL and Direct3D 11
- Custom 3D model format (SPM - Sparky Model)
- Build tool for converting from Autodesk FBX to SPM
- Custom memory allocation and control
- Matrix maths is now row-major
- See release notes (Docs/ReleaseNotes) for more info