fix(controller): create /deis/services on boot

Some components such as the builder script in #1168 relies on
/deis/services to be present before booting.

Author: Matthew Fisher

controller/bin/boot

@@ -33,6 +33,8 @@ etcd_set_default secretKey ${DEIS_SECRET_KEY:-`openssl rand -base64 64 | tr -d '
 etcd_set_default builderKey ${DEIS_BUILDER_KEY:-`openssl rand -base64 64 | tr -d '\n'`}
 etcd_set_default registrationEnabled 1
 etcd_set_default webEnabled 0
+# create path for application metadata
+etcdctl --no-sync -C $ETCD mkdir /deis/services
 
 # wait for confd to run once and install initial templates
 until confd -onetime -node $ETCD -config-file /app/confd.toml 2>/dev/null; do