Fix the shader loader

- fixed cmake file as well?
- remove useless files from example
- reenable runtime shader compiler

for some reason the raw data of a shader must stay in ram while the shader is loaded. It can be unloaded when the shader gets unloaded

include/amethyst/c3d.hpp

@@ -60,6 +60,7 @@ class C3D {
     shaderProgram_s pProgram;
     DVLB_s* pCode = nullptr;
     int pReg = 0;
+    std::vector<uc> pRawData;
   };
 
   class Frag {