Multi user #16
Description
A User can be Admin or not
An admin can manage streamlist users (add/remove/set password/set admin)
When a user is created, option to force password change on next login must be present
A playlist got a owner (User), a newly created playlist owner is the creator
A Owner can manage members of his playlist, delete playlist, or set a new Owner
A member can be manager or reader of a playlist
A Manager (and the Owner) can edit playlist content
A Reader can access playlist but can't modify anything
Every logged User can import songs in library and create a new playlist
The libray is shared among all users of a streamlist instance