Client fixes and new feature
- New feature: configurable branding (logo and name)
- New feature: import EDLs as comments
- Fix: Folder label was not visible containing >= 3 items
- Fix / feature: Allow comments with just a drawing, no text
- Demonstrate how to have multiple admin users in htadmin demo (see nginx conf example)
- UI: move video player actions to a burger menu
- Remove emoji picker (slow, and OSs support it now)