Allow map center and zoom to be configured from settings
Merge pull request #218 from davewongillies/master

Allow map center and zoom to be configured from settings
Make default map coordinates available in settings

The configuration options map_center and map_zoom
are now available in /misc/settings/

* Affects #218
Stages taken from task instead of hardcoded
Merge branch 'master' into celery_integration

Conflicts:
	adagios/settings.py