Add mini unit testing framework to Dolphin itself - use it to find bugs and verify the portable powerpc fp number classifier. also random cleanup.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3432 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/OnScreenDisplay.cpp

@@ -81,8 +81,13 @@ void DrawMessages()
 		}
 	}
 
+	GL_REPORT_ERRORD();
+
 	if (enabled)
 		glEnable(GL_BLEND);
+
+	
+	GL_REPORT_ERRORD();
 }
 
 }  // namespace