Release 7.4.14 (lmn74)

 administrators.

• [security] [lmn_device-manager] The route running arbitrary commands
  is removed, and the plugin is marked as deprecated.
• [security] [lmn_websession] Session ids and BigBlueButton passwords
  are generated with secrets instead of random.
• [lmn_linbo4] Deleting an image warns that its whole directory is
  removed, backups and files added by hand included.
• [packaging] Requires Ajenti 2.2.18, core plugin 0.117 and settings
  plugin 0.36.
• [packaging] Depends on linuxmuster-tools7 (>= 7.4.20).