lib-storage: Don't allow '/' for filesystem based mailbox list backends if their internal separator isn't '/'. Basically this means that Maildir++ shouldn't be allowed to create mailboxes with '/' in the name.
lib-storage: Don't allow '/' for filesystem based mailbox list backends if their internal separator isn't '/'.
Basically this means that Maildir++ shouldn't be allowed to create mailboxes
with '/' in the name.

dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot