Change color for dashboard graph
Developed some widgets with real outputs
Merge remote-tracking branch 'rt/master'

Conflicts:
	app/assets/javascripts/angular/templates/dashboards/show.jst.ejs.erb
	app/assets/javascripts/angular/templates/widget/show.jst.ejs.erb
	app/assets/javascripts/app.js
	app/views/users/show.html.erb