Refactored many functions out of KREngine.mm into KRCamera.cpp in preparation for alpha transparent polygon sorting structures which will be owned by KRCamera

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4065

KREngine/KREngine/Classes/KRScene.h

@@ -68,6 +68,7 @@ public:
 #endif
     
     KRBoundingVolume getExtents(KRContext *pContext);
+    double sun_pitch, sun_yaw;
 private:
     KRDirectionalLight *findFirstDirectionalLight(KRNode &node);