added locations post type and locations_type taxonomy; added initial shortcode placeholder
added class support to address shortcode
implemented output of title, addresses, and phone for locations shortcode
added google maps and gmap3 to scripts; added "locations_map" shortcode; factored out location html content into seperate template for reuse
updated to "lat" and "lng" for gmap3
added support for center and zoom settings passed through shortcode attributes
added gmap3 initializer for each location map on the page; added min-height for maps
remove options that have no value (google maps chokes on empty strings)
Merge branch 'feature-locations' into develop