Merge pull request #6 from jjlee5266/locations

Locations
renamed lat lattitude and long longitude.
Merge pull request #7 from jjlee5266/rspec

renamed lat lattitude and long longitude.
Changed the words lat and long to latitude and longitude.
Made a seed file.
Updated the validations to remove 'address' so we can successfully seed db.
In progress reverse geo-coding in Location Model.