Added working enaml example, custom roi method across canvases
Completed stand-alone enaml ROI selector
Created dock window, integrated with Toolbar
Finished the roi two-way linkage
Fixed bug in roi_force for point tool
Added point zoom in roi inspector
Switched to perctentile markers for histogram
Stability improvements and bug fixes
Added ax to ROI to allow listeners to discriminate events
Added serialization and improved refresh
Stability improvements
Add a gitignore file
Improve _draw_artists logic
Add guard against no ROI
Add redraw methods
Add redraw methods to selector_tool
Fix default geometry behavior
Use new Path method
Add a callback to the finalize method
Use gridspec, turn on twinax