almost there
troubleshooting
troubleshooting
more changes, experimenting
working thru the issues
Merge branch 'master' into feature/fix_events

Conflicts:
	src/kibana/components/vislib/lib/dispatch.js
	src/kibana/components/vislib/visualizations/column_chart.js
reorganizing dispatch events class
adding more comments
Merge branch 'master' into feature/fix_events

Conflicts:
	src/kibana/components/vislib/lib/dispatch.js
making changes to get pie charts working
Merge branch 'feature/fix_1658' into feature/fix_events

Conflicts:
	src/kibana/components/vislib/visualizations/pie_chart.js
Merge branch 'fix_1720' into feature/fix_events
fixing area chart and line chart
Merge branch 'master' into feature/fix_events
restructured the less and css files into separate files which are imported into a main file, removed event code from visualizations and moved them into the Dispatch class to reduce code redundancy, fixed issues with legend not toggling
fixing issue where brush svg was being appended twice
Merge branch 'master' into feature/fix_events
adding tests for the on and off methods to vis.js
adding tests for handler.enable and handler.disable methods
commenting out render method testing in handler, needs refactoring