CHANGES

• Fixed mixed protocol stylesheet / script issues when running admin under HTTPS
• Fixed label issue for insert media button
• Fix for “All Pages” menu label being empty under WordPress 4.4+.
• Fixes issues with metabox icons being displayed incorrectly under WordPress 4.4+. Specifically, the “edit field set” arrows were always being displayed when they shouldn’t have been, and custom field set icons were not being displayed.