add carrierwave upload cover_photo
add ckeditor rails g
minimize ckeditor toolbar
precompile
add heroku gem
add links
add jquery turbolinks
add jquery turbolink
modify assets true
rm turbolinks
add turbolinks
fix some config
add disqus
add addthis share button
use boostrap sass
db reset fix post process add show post.content
add index cover_photo
add bootstrap layout post.css