Switch to using a single ini file for configuring multiple wikis

Add a viewport for mobile users

Refactored multiwiki wsgi app to work as a class

to use with gunicorn:
gunicorn 'hatta.multiwiki:MultiWiki()'

Remove sqlite search

Use scm version

Version 1.6.7

merge

Version 1.6.5

Version 1.6.4

version 1.6.3