CLOUDSTACK-5375 :ldapconfig and ldapRemove api's are not working Added support for 4.2 ldap apis

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Fixed CLOUDSTACK-5436

Fixed few RAT issues reported for new additions of files to repo.
Signed-off-by: Santhosh Edukulla <Santhosh.Edukulla@citrix.com>
Signed-off-by: Abhinandan Prateek <aprateek@apache.org>