rewrite to Angular.js. WIP.
some updates
Merge branch 'refs/heads/master' into angular
remove handlebars_assets gem
add version number to component.json
add Underscore.js
add angular-sanitize
format post body
render post's comments
textarea expanding in post/comment form
render post/comment's created_at
tags with a post rendering
rebirth of tag addition feature
update cld to 0.7.0
update rails to 3.2.12
rebirth of post deletion feature
revive "View all n comments" rendering feature
remove unused code and file
Merge branch 'refs/heads/angular'