Bug fixes

• Code style fixes
• #2693595: Drupal sending Personally identifiable info to Google Analytics
• #2876463: Fix missing query string when system.css_js_query_string is NULL

• #2571481: Locally cached file is not gzipped
• #2693595: Drupal sending Personally identifiable info to Google Analytics

Added permission for administrator role in permission tab.

Minor fixes in JS for toggling the parent links.

Contains solution to critical bug #2921735 and performance and UX improvements from #2920045#16

This is a release candidate for the next feature release of UIkit Admin 7.x-2.0. Release candidates are not supported for production sites, but they are intended for widespread testing in preparation for the upcoming stable release.