DOC: documents all the ways bounds may be defined in image and contour plots
DOC: documents all the ways bounds may be defined in image and contour plots

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