updates readme.
makes tags work again. also removes some code duplication in templates
updates the json views and tries to repair the query_friends method
probably solves Bug #156

And restores most of the friend functionality
removes debug in query_friends
Merge branch 'multiuser'

Conflicts:
	README
adds wsgi file for deployment with apache
adds configuration for base_path
now it should work with werkzeug and apache
fixes a few bugs with tags and template.
fixes a bug where posts wouldn't show up in the 'Mein Wurstgulasch' view
tags should work again
tags should work again
adds admin user interface

admin access is hardcoded on the user named admin, therefore this user
should ALWAYS exist. For now, we create it in the database init
routine.
fixes a few template bugs
Merge remote-tracking branch 'origin/deployment' into deployment