runserver: Fix wiki updater not being set properly. The wiki updater was set but subsequently overwritten in the `runserver` command along with all the wiki factory params. Now we store them on the settings objects for the app to pick up on creation.

colorama==0.2.7
Flask==0.10.1
Flask-Login==0.2.10
itsdangerous==0.24
Jinja2==2.7.3
Markdown==2.2.1
MarkupSafe==0.23
Pygments==1.6
python-hglib==1.8
repoze.lru==0.6
SQLAlchemy==0.9.3
Werkzeug==0.10.4
Whoosh==2.5.5