Cleanup publisher factory
Add spec for publisher validation
Update geometry validation

Trust GeoRuby::GeojsonParser to throw an exception on invalid input
Depend on debugger in development
Geolocate when the address field changes
Send errors messages with response when creating subscriptions
Allow failure for ruby 2.1.2

Debugger is not yet compatible with 2.1.2
Clarify spec
Fix subscription confirmation error handling
Handle unsubscribes via filter word for sms subscription confirmations
Add radius dropdown for address selection
Style radius dropdown
Modify language to: get citygrams near you
Create bounding box with address radius
Draw address radius on change event