gddo-server: vendor with godep

This is an initial vendoring of of gddo-server using godep. Vendoring is needed to allow reproducible builds and deployments.

Change-Id: Ib59dd86f905c9d3196d25813d1d97637276edf6e
Reviewed-on: https://go-review.googlesource.com/30695
Reviewed-by: Andrew Gerrand <adg@golang.org>
303 files changed