Reintroduce rq-dashboard to requirements
Fix 'collection error' on task running
Add development.py
Add Stats display to service show page, calc overall avg
Add TLD attr to Service for grouping
Add stats/grouping to services view

- Added BaseDocument for accessing pymongo internals like aggregate/map reduce
Fix show_service
Add missing resources (jquery/stylesheet)
Add filtering to service view (by data provider or service type)