Refactored scrumboard js and extracted helper.js. Added postit.
Merge branch 'master' of https://github.com/agilo-boards/agilo-boards

Conflicts:
	client/app/index.html
	client/app/scripts/controllers/scrumboard.js
	client/app/templates/story.html
Merge branch 'master' of https://github.com/agilo-boards/agilo-boards

Conflicts:
	client/app/scripts/controllers/scrumboard.js
	client/app/views/scrumboard.html