fade out posts on deletion

Use funky FadeOut effect to remove a deletet snippet from
the view.

If the user is on the show-page he gets redirected after
2 seconds to the start page.
Merge pull request #28 from darinkes/delete_remote

fade out posts on deletion
Upgrade to Rails 3.2.13
Fix post validation for invalid post size
Fix post controller test

type in format of post controller test
Upgrade to rails 4.0
Fix favicon location
Small tweaks in layout and style
Silence deprication warnings
move content highlighting to helper
add inline code comments

Add the ability to add inline comments to code snippets.

Tested on IE9, Firefox 18.0.1 and Chrome 24.0.1312.57 m
change .live() to .on() since live is deprecated
Remove console.log from javascript code
Refactor linecomments controller and add tests
Fix and refactor fadeOut of destroyed posts
Minimal styling for post view page
minimize button size
Reduce size of option buttons
Move line comment javascript in his file
Make inline comments hideable