* Renamed LightweightForwardRenderer to ScriptableRenderer
* Added FB Input and Read macros to LWRP Core
* - Created PerCamera and LightConstantBuffer
- Added _InvCameraViewProj matrix
- Remove unused LightweightConstantBuffer class
* removed string allocation in renderloop. Camera name for profiler should be just fine.
* removed nested camera rendering check. we are preventing it on engine side.
* Fixed type in DefaultRenderer
* removed unreferenced m_IsCameraRendering
* fixed Unlit shader GUI
* Added HALF versions of FRAMEBUFFER_INPUT macros. Remove MS because we only have it partially implemented in SRP shader library.
* Removed empty ForwardLitPass