Fixed Scissor Test on Intel based GPUs (#595)

* Reworked scissor tests to remove fixme and handle issues with intel gpu's

* Error handling for scissor tests

* Disable strict opengl by default

* Reformatting for JD

* Updated scheme for new property in config

* Fixed typo

* Moved magic value to constant. I liked the magic :(

* Fixed ordering for undertale

* Fixed undertale bug

* Removed strict opengl in favour of required. With this an exception is no longer thrown, just a warning for required extensions

* Uses clamp instead of if's

* Removed evil tabs and no longer used include

Ryujinx.Graphics/Gal/IGalPipeline.cs

@@ -3,6 +3,7 @@
     public interface IGalPipeline
     {
         void Bind(GalPipelineState State);
+        void Unbind(GalPipelineState State);
 
         void ResetDepthMask();
         void ResetColorMask(int Index);