Fixes #67, re-add single user synchronization via web UI to settings page. Form is located at tge top of the User Synchronization section.
Fixes #69, clarify text of Use LDAP for Authentication setting.
Fixing tests for previous change.
Revert "Fixes #69, clarify text of Use LDAP for Authentication setting."

This reverts commit 80f1c1999995ab405900232063f7c5e55c999f12.
Fixes #69, clarify text of Use LDAP for AUthentication setting now that normal users can login w/ LdapAuth used.