The mongo integration was using a very old package. It's using
a new namespace now. Upgrade and adjust all call points
Removes labix.org/v2/mgo
Introduces gopkg.in/mgo.v2 from branch v2 with revision
3f83fa5005286a7fe593b055f0d7771a7dce4655
Change-Id: I2784fca941998460f58e0ac8d3d51286401590b5
vendor: add golang.org/x/crypto/acme/{autocert}
at 8e06e8ddd9629eb88639aba897641bff8031f1d3
remove rsc.io/letsencrypt and its deps.
Issue #859
Change-Id: I292543e88476bd4658846496f96a2a07bb25a186
rsc.io/letsencrypt vendored at rev
a019c9e6fce0c7132679dea13bd8df7c86ffe26c
vendor/github.com/xenolf/lego was vendored within rsc.io/letsencrypt
vendor/gopkg.in/square/go-jose.v1/ was vendored within
rsc.io/letsencrypt
golang.org/x/crypto at rev 77f4136a99ffb5ecdbdd0226bd5cb146cf56bc0e for
github.com/xenolf/lego
golang.org/x/time/rate at rev a4bde12657593d5e90d0533a3e4fd95e635124cb
for rsc.io/letsencrypt
Fixes#805
Change-Id: I4ccdee328d8832e361fa5a39e5b94edc7c90ec34
Paul Lindner