adapt host-meta document to RFC 6415

Add spacing between paragraphs and dots before items in an unordered lis...[ci skip]

introduce the idea of Federated::Base. this is mostly just renaming and collasping of different federation modules, but also starting a direct hiearchy of these federation classes to make everything easier to refactor

Fix atom feed bug (bug mash 7) [ci skip]

Users controller small fix; removed the to_activity method and the corresponding tests for status_message model

fix facebook finder [ci-skip]

make lightbox work for photos page (+tests)

clean up admin page [ci skip]

bookmarklet - escape all passed params in js [ci skip]

Deal with long usernames

Go to root page if deleting post from the show page

Conflicts:
	public/javascripts/app/router.js
	public/stylesheets/sass/application.sass

Adjust redirection logic.

add a missing test for block user, and fix ignoring a user from a non stream page; rename a javascript method as it was actually the oppisite of what it said it was doing