Merge pull request #8 in WP/idx-broker-plugin from release/1.3.0 to m…

…aster

* commit 'b42394ae1526b1c7a889d2f4f2f2cb517398d185': (51 commits)
  Add new screenshots and captions from MAR-3002.
  Update Map Leaflet version to grab latest pins.
  Fix issue with the shortcode scripts loading on all admin pages due to WP calling wp_enqueue_media unnecessarily.
  Fix display bugs with shortcode UI and migrating IDX pages from old versions of the plugin.
  Update readme file for more 1.3.0 features added.
  Fix a bug that gave a fatal error on PHP 5.3 and did not allow the plugin to be activated.
  Update icons for omnibars.
  Fix error handling throughout the admin area when an incorrect API key is entered.
  Fix bug in shortcode UI where Map Search widget preview was not working properly.
  Complete Omnibar Shortcode Preview functionality and polish UI.
  Add Git Ignore file to avoid tracking locationlist.json file.
  Add omnibar shortcode and add preview functionality.
  Fix bug where clicking directly on the shortcode type icon would cause the options to not load properly and add a loading icon while AJAX loads.
  Polish the UI, add icons for shortcode types, and prepare future shortcode types for 2.0 release.
  Finish basic functionality of new IDX Shortcode UI and remove old UI.
  Add new Shortcode Interface Beginnings.
  Fix reference to wrong function.
  Fix bug where new users are unable to add an API Key.
  Fix bug with options being stored for post API methods.
  Add clearing the wrapper cache functionality to the Refresh Plugin Options button.
  ...

.gitignore

@@ -0,0 +1,4 @@
+*locationlist.json
+.DS_Store
+.DS_Store?
+.Trashes