[Maps] Show SF map with all filming locations

Adding a map to the dashboard
Merge branch 'master' into maps
[Maps] Show SF map with all filming locations

- Added locations to index and show actions for films
[Maps] Show SF map with all filming locations

- Added backbone on rails to the gemfile
[Maps] Show SF map with all filming locations

- Added backbone on rails support for fetching all films
- Moved map logic to backbone
[Maps] Show SF map with all filming locations

- Deleted autogenerated coffee script files for films and locations
[Maps] Show SF map with all filming locations

- Showing a single marker on map
[Maps] Show SF map with all filming locations

- Showing markers for all film index locations
- Limit film index to only 5 results
[Maps] Show SF map with all filming locations

- Adding modified view
[Maps] Show SF map with all filming locations

- Updated method names and variables based on desired naming conventions