added data_files with svg's included exlicitly
added data_files with svg's included exlicitly

burnpanck/chaco,ContinuumIO/chaco,burnpanck/chaco,tommy-u/chaco,ContinuumIO/chaco,tommy-u/chaco,ContinuumIO/chaco,tommy-u/chaco,burnpanck/chaco,ContinuumIO/chaco