Update display of Location field type to show a map with marker.
Convert location map field to use plugin architecture as well as supporting multiple fields per object.
Fix bug that prevented error message box from displaying when an address was not found.
Move location field styles into leaflet.less.
Merge branch 'master' into feature/location-map
Fixes a typo in ToolPageContext#writeHeader in referencing jquery.locationmap.js.
Renames location-map* to locationMap* to conform to the other naming schemes.