Minor header update
Created by graph using floter graph
Merge remote-tracking branch 'rt/master'
widget design completed, but some errors occured
gravatar(if available), can upload a pic, ability to send support tweet, beautification of get_starter, added tour page.
Merge remote-tracking branch 'rt/master'

Conflicts:
	app/controllers/users_controller.rb
	app/views/users/show.html.erb
Remove <script> angular from application.html.erb, add widgets to routes.rb.
updated doc.
Draw graph completed
Merge remote-tracking branch 'rt/master'

Conflicts:
	app/assets/javascripts/app.js
	app/assets/javascripts/application.js
	app/views/users/show.html.erb
	config/routes.rb
Completed draw graph using flotr2.js and also flot
Angularjs <script> tag is in application.html.erb again.
Merge remote-tracking branch 'rt/master'
renamed *.jst templates to *.jst.erb
Change color for dashboard graph
Developed some widgets with real outputs
Fix didn't work (change default book name). Bug still exists.
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
Group create for pernode and summary widgets
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