Updated to 1.4.2

* All existing widget forms are loaded with the initial interface, rather than through AJAX. Improves performance.
* Added safety check to ensure Page Builder data loaded before into the interface before saving into the database. Helps prevent content loss.
* Small usability improvements.
* Fixed: Embedded video widget.
* Fixed: Conflict with GPP Slideshow plugin.
* Fixed: Possible z-index conflicts with other plugins that have jQuery UI CSS.
* Fixed: Constant notification about autosave being more recent than current version.

git-svn-id: https://plugins.svn.wordpress.org/siteorigin-panels/trunk@834771 b8457f37-d9ea-0310-8a92-e5e31aec5664