Updated location city name to refer to borough instead of metropolitan city name
Fix duplicate locations created for boroughs

Locations on Trip show page now validated by name instead of name and coordinates
Add demo seed data
Fix sidebar styles

Height now extends to accomodate long list of trips and locations
Merge pull request #178 from spring-peepers-2014/fix-location-borough-uniqueness-and-add-seed-data

Fix location borough uniqueness, sidebar styles, and add seed data