Refactor application.css and bootstrap-headerfix.css

Reshare the absolute root of a post

Conflicts:
	Changelog.md

This reverts commit bea94bd7.

Notifications Dropdown infinite scrolling

Hidden overflow for long names on tag pages

Conflicts:
	Changelog.md

Convert some cukes to rspec tests

Add network key to statistics.json

Conflicts:
	Changelog.md

Allow nil HTTP user agent

Feature/strip search query

Fix missing password translations

Show error message on invalid reset password attempt

Most recent new users show on Weekly User Stats admin page

Fix poll for Bootstrap publisher

Add a link to a reported comment in the admin panel