global name 'jsonify' is not defined in scatter_plot.py

[LuisBL]

Hello, I jsonify is not define in scatter_plot.py, line 46

return self.view_functions[rule.endpoint](**req.view_args)
File "build/bdist.linux-x86_64/egg/pyxley/charts/mg/scatter_plot.py", line 46, in get_data
return jsonify(ScatterPlot.to_json(
NameError: global name 'jsonify' is not defined

[nmkridler]

Thanks, I'll fix this in the next version.