Add readability.com support
new readability.png
[facebook spouts] Switched to HTTP when HTTPS not available
Update Authentication.php

I've added a SSL proxy check. If a SSL proxy is used, domain and path of cookie have to be set differently.
Merge pull request #351 from tmuguet/facebook

[facebook spouts] Switched to HTTP when HTTPS not available
Merge pull request #355 from zajad/patch-1

Update Authentication.php
README.md update
Merge branch 'master' of https://github.com/hayk/selfoss into hayk

Conflicts:
	public/js/selfoss-events-entriestoolbar.js
	templates/item.phtml
README.md updated
merged upstream master into origin master