Add snap, snapRadius, minRadius, onMove, onResize to addCircleGraph

Summary:
Adds more options parameters to graphie.addCircleGraph to make it
behave similarly to addMovableX functions

Test Plan: Used in new transformations tool work

Reviewers: alex

Reviewed By: alex

CC: alpert

Differential Revision: http://phabricator.khanacademy.org/D4767