Updating tests and fix for geospatial search
moving feed validator to feed model
Update README.md
Merge pull request #4 from sulf/ulf/feed_validator

moving feed validator to feed model
Merge pull request #3 from sulf/ulf/tests/api

Updating tests and fix for geospatial search
Fixing express warning and adding twilio tests
Merge pull request #5 from sulf/ulf/tests/twilio

Fixing express warning and adding twilio tests
Added production config.
Added staging config
Removed twilio