Since Go 1.7, context is a standard package. Since Go 1.9, everything
that is provided by "x/net/context" is a couple of type aliases to
types in "context".
Many vendored packages still use x/net/context, so vendor entry remains
for now.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
In some cases a server may return an error on the ping response but
still provide version details. The client should use these values when
available.
Signed-off-by: Brian Goff <cpuguy83@gmail.com>