Add initial code for sadis-server.

Change-Id: Iaa8d6ddf888c04abc8eee5933c0c7401c0094394
diff --git a/vendor/github.com/kelseyhightower/envconfig/MAINTAINERS b/vendor/github.com/kelseyhightower/envconfig/MAINTAINERS
new file mode 100644
index 0000000..6527a9f
--- /dev/null
+++ b/vendor/github.com/kelseyhightower/envconfig/MAINTAINERS
@@ -0,0 +1,2 @@
+Kelsey Hightower kelsey.hightower@gmail.com github.com/kelseyhightower
+Travis Parker    travis.parker@gmail.com    github.com/teepark