Ability to delete a post.
Merge branch 'master' into delete-post

* master:
  Consistency
  60px seems to work
  Less verbose timestamps.

Conflicts:
	static/css/main.css
Remove unused import.
Only display delete icon for a user's own posts. Display a confirmation dialog before deleting.
Merging master
Merge pull request #37 from vole/delete-post

Ability to delete a post.