splitting mongo into api and impl
splitting mongo into api and impl

Former-commit-id: ec48abeb2648f69d716d7a8460f15b41065fa12a
subutai-io/Subutai,subutai-io/Subutai,subutai-io/Subutai,subutai-io/Subutai,subutai-io/base,subutai-io/base,subutai-io/base,subutai-io/Subutai,subutai-io/base,subutai-io/Subutai