fixing erronously commented-out traits handlers in BaseXYPlot
fixing erronously commented-out traits handlers in BaseXYPlot

burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,tommy-u/chaco,tommy-u/chaco,ContinuumIO/chaco,burnpanck/chaco,tommy-u/chaco