Merge branch 'color_cast' into 'master'

only include color_cast instead of whole MeshIO in DrawMesh

See merge request !48

libs_required/ACG/GL/DrawMesh.hh

@@ -65,7 +65,7 @@
 #include <vector>
 #include <list>
 #include <OpenMesh/Core/Utils/Property.hh>
-#include <OpenMesh/Core/IO/MeshIO.hh>
+#include <OpenMesh/Core/Utils/color_cast.hh>
 
 #include <ACG/GL/globjects.hh>
 #include <ACG/GL/GLState.hh>