adding Bokeh.glyph_plot function and test
 now using the proper poling watcher for OS X
 trying to call 'set' instead of .xdata_ref =
 merged
 nwo there is a OnePointWheelEventGenerator that works similarily to the TwoPointEventGenerator , this helps with zoom
 nwo there is a OnePointWheelEventGenerator that works similarily to the TwoPointEventGenerator , this helps with zoom
 nice debouncing of mouseouts
 better debouncing for mouseout