Added ldap option lowercase_usernames
In https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16791 we are introducing a new setting in the ldap config block. This MR updates the omnibus settings with it.
In https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16791 we are introducing a new setting in the ldap config block. This MR updates the omnibus settings with it.