re #9846 Changed keyman devices, body devices views. Added Head devices view. Changed filtering of logs, ldlogs, body devices, head devices and keyman devices. Changed HTML tables style and few labels.
Changed looks of tables with simple css. Added inventory number and comment to Lauterbach devices. Changed connection between lauterbach devices and license.
Fixed minor issues. View on keyman devices changed. Changed database for new keyman x license connection.
Changed certain template looks and controls.
Added signup and users table in database. Passwords are hashed. Added view for changing users roles.
security fix for all endpoints. Added view for Licenses and html template on "/" with information about server endpoints.
Added views for LD logs and forms for connecting body devices with licenses.
re #9708 updated requirements. Added logout and template versions for host users.