This update provides:
1)  workaround around the build failures. In
summary, it forces the download of some packages during the build
process.
2) update the set of packages that should go inside the vendor
directory
3) Update the dockerfile to use go 1.10

Change-Id: I2bfd090ce0f25b0c10aa214755ae2da7e5384d60
diff --git a/vendor/github.com/coreos/etcd/cover b/vendor/github.com/coreos/etcd/cover
new file mode 100755
index 0000000..b7ad391
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/cover
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+# Generate coverage HTML for a package
+# e.g. PKG=./unit ./cover
+#
+set -e
+
+if [ -z "$PKG" ]; then
+	echo "cover only works with a single package, sorry"
+	exit 255
+fi
+
+COVEROUT="coverage"
+
+if ! [ -d "$COVEROUT" ]; then
+	mkdir "$COVEROUT"
+fi
+
+# strip leading dot/slash and trailing slash and sanitize other slashes
+# e.g. ./etcdserver/etcdhttp/ ==> etcdserver_etcdhttp
+COVERPKG=${PKG/#./}
+COVERPKG=${COVERPKG/#\//}
+COVERPKG=${COVERPKG/%\//}
+COVERPKG=${COVERPKG//\//_}
+
+# generate arg for "go test"
+export COVER="-coverprofile ${COVEROUT}/${COVERPKG}.out"
+
+source ./test
+
+go tool cover -html=${COVEROUT}/${COVERPKG}.out