Bug fixes

Bug fixes
#3210411: When visiting and clicking on a notification in the Notification Center it does not go away
#3210690: Fix album teaser styles

Changes since 3.0.4:

• Support multiple ancestors
• Refresh the entire tree after an item is relocated under a non-draggable parent

• Fixed a problem that the social media settings block would not be available after installation.
• The implementation of hook_requirements() in degov_common is now only executed at runtime and produces warnings instead of errors.
• The implementation of hook_requirements() in degov_media_document is now only executed at runtime and produces infos instead of warnings.
• A new degov_media_usage submodule degov_media_usage_entity_embed tracks media embedded in editor fields via entity_embed.

New features: added a possible header test, tweaked the document download test to pick up more document types, added an "administer editoria11y" permission, allowed for scanning non-node entities.

1. Remove Media dependency.
2. Require Composer Manager and improve documentation.
3. Support Brandfolder CDN v2.
4. Improve stream wrapper.
5. Rich Text Editor integration configuration options.
6. Asset deprecation cron job configuration.
7. Improve module admin/config form. Fix bugs encountered when switching/removing previously connected Brandfolders.
8. Better image toolkit fallback and error handling.
9. Better handling for GIF images.
10. Metadata sync on asset update webhook event.

Coding standard fix, move to semantic versioning.