Merge pull request #40 from diceydawg/umass_branch

Added googlemap in dashboard
fixing dashboard controller

Latest pull request causes errors commented out the code for now
Merge pull request #43 from diceydawg/umass_branch

Forgot to add files for lass commit
Update dashboard_controller.rb

uncommented the google maps code
Got rid of placeholder map
Merge branch 'umass_branch' of https://github.com/diceydawg/databaseui into umass_branch
Got rid of proof of concept model cities.  Gmaps implemented for location_data table.  Fixed migration problem by commenting out tables that were not created in defaults and nils.