Develop plot.ly viewers for Qt version of glue #2
Description
While #1 focuses on being able to export HTML pages with plot.ly plots, it might also be interesting to see if plot.ly can be used to power viewers inside the Qt version of glue itself. If anyone is interested in tackling this, you should start off by reading the following two guides
In addition, note that the state classes can probably be re-used from the Matplotlib viewers, so no need to develop whole new state classes.