Added debugging notes to README file for gtk-visualizer.
Added note about new REST interface.
Merge remote-tracking branch 'upstream/master'
Implemented JSONP support in the REST API; attempted CORS support too,
but not working yet.
Finished implementation of CORS support in the REST API.
Merge pull request #410 from TScottJ/master

Add support for JSONP and CORS in the Python REST interface