Fix links for 3.0 branch build statusses
Add links to PSR coding standards
Tweak contributing file a bit
fixing the xss problem
real version for HTMLPurifier package
purifier version and indentation
Merge pull request #163 from summerblue/master

fixing the xss problem
Fix critical bug with HTML in thread title
Remove Makefile
Add Laracon EU video link
Escape thread titles in other places as well
Merge branch 'develop' into release/3.0

Conflicts:
	app/views/layouts/default.blade.php
	composer.lock