Bump net-ldap gem to 0.16.0
Changes: https://github.com/ruby-ldap/ruby-net-ldap/blob/master/History.rdoc
This release contains a potential customer fix for https://github.com/ruby-ldap/ruby-net-ldap/issues/266
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Changes: https://github.com/ruby-ldap/ruby-net-ldap/blob/master/History.rdoc
This release contains a potential customer fix for https://github.com/ruby-ldap/ruby-net-ldap/issues/266