Update default location on no geolocation to DC
Close old infowindow when new marker is clicked
Update zoom constraints in mapOptions
Add marker cluster to maps
Merge pull request #58 from mbacksmeier/close_old_infowindow

Close old infowindow
Merge pull request #59 from mbacksmeier/zoom_constraints

Zoom constraints
merge dev with local
Fixes incorrect merge conflict resolution
Rolls back custom pin logic
Debugs/fixes zoom controls