add configuration option to disable anonymous bind

git-svn-id: http://observium.org/svn/observer/trunk@4116 61d68cd4-352d-0410-923a-c4978735b2b8
pretty ldap debug.


git-svn-id: http://observium.org/svn/observer/trunk@4117 61d68cd4-352d-0410-923a-c4978735b2b8