Added support for Bokeh TapTool callbacks
Added support for Bokeh TapTool callbacks

vascotenner/holoviews,ioam/holoviews,ioam/holoviews,ioam/holoviews,vascotenner/holoviews,basnijholt/holoviews,basnijholt/holoviews,basnijholt/holoviews,vascotenner/holoviews