Replaced mechanism of identifying MH Public key.
Replaced mechanism of identifying MH Public key.

There was procedure of getting GPG Public key by user email.
It is replaced with getting key by ID.

subutai-io/Subutai,subutai-io/Subutai,subutai-io/base,subutai-io/base,subutai-io/Subutai,subutai-io/base,subutai-io/Subutai,subutai-io/Subutai,subutai-io/Subutai,subutai-io/base