BarChart: Always show 5 bar.
PathBar: Hide button initally
Merge pull request #10 from peacedove/master

Sankey color update
Merge branch 'master' of github.com:KevinSoong/sipath

Conflicts:
	app/styles/main.css
PathBar: Revised styling
BubbleChart: Updated course selection style
PathViz: Update course bubbles after sankey
CourseInfo: Revised legend
PathViz: filter out alumnus without course records
CourseInfo: Changed term bar chart header wording
BubbleChart: Hide rings in alumni view
App: Routed default path to coursePath