v1.5.3

• Bug fix where post data not being reset in all locations shortcode
• Javascript Bug fix in custom map marker insertion
• Bug fix in all locations map, where custom JS options weren't being applied
• Infowindow filter applied to all locations shortcode
• Callback functions added for all locations map load and click events.
• Importer improvements: Check added for existing location based on title
• Shortcode option added to customize results wrapping element.
• Bug fix for custom results limits not saving.