Fix css/post.css

- limit size of image in post content to within post content's width
heroku Procfile
Add Merge
Merge branch 'dev' of https://github.com/sooop/w into dev
Mod css (bootstrap.min.css)

- remove font : Monaco
Mod view

- /index : apply page-nation
Mod Show.html

- make link 'delete' into comment
- add link to show history
Merge branch 'dev'