Filter the institutions indexed to those that have LAR records
Adds simple UI for locking map position to a specific metro
Only calculate enforce bounds selector once
Merge pull request #71 from cmc333333/only-search-lars

Filter the institutions indexed to those that have LAR records
Merge pull request #72 from cmc333333/lock

Adds simple UI for locking map position to a specific metro
Merge branch 'master' of github.com:cfpb/mapusaurus