refactored Model instance method names and updated specs to reflect. Added conditional logic for tests to prevent hitting the google maps API when tests are running
added Event model tests and relevant validations to the model. Fixed Event factory for date
added address_changed? method to ensure geocoding only occurs if the address is changed
modified state to accept only abbreviations instead of full state name and added relevant tests for Event model.
Merge pull request #11 from oafridi/tests

Tests