opengles renderer: added CHECK_GL_ERROR defie for gl debugging

This commit add CHECK_GL_ERROR define to decoders/renderer which enables various
glGetError() calls. Also changed emugen to add glGetError() after every dispatch call (based on
defintion of CHECK_GL_ERROR). Also cleaned some annoying printf's.

tools/emulator/opengl/host/libs/libOpenglRender/WindowSurface.cpp

@@ -22,6 +22,7 @@
 #include "GL2Dispatch.h"
 #include <stdio.h>
 #include <string.h>
+#include "GLErrorLog.h"
 
 WindowSurface::WindowSurface() :
     m_fbObj(0),