New files:
	performance.js, jquery.flot.js, excanvas.js
Added to existing:
	routed the controller for performance page and the chart directive structure in progress-workbook.js, styling for chart in style.css, require two flot files in application.js, chart for graphing in performance.html.
Merge branch 'master' of https://github.com/salient-systems/progress-workbook

Conflicts:
	app/views/layouts/application.html.erb