Update store locator plugin

Update location system to allow featured locations with geocoding
Update locator to handle featured locations
Update Location.php to add featured option
Update Locator.php to auto geocode based on auto geocode setting and featured locations
Add handlebars-v1.3.0.js
Update jquery store locator plugin
Commit reference: 381c3680c56f801d22c6a6ff928cbf980c743727