merge
Merge remote-tracking branch 'origin/master' into change_graph_percents

Conflicts:
	app/controllers/repositories_controller.rb
Pass values to the view
Merge pull request #119 from alexung/design_branch

Design branch
Math works
add working graphs
Merge remote-tracking branch 'origin/master' into graphs

Conflicts:
	app/helpers/application_helper.rb
Merge pull request #123 from alexung/graphs_work

Graphs work
saved work for merge
created splash page