Add initial code for sadis-server.

Change-Id: Iaa8d6ddf888c04abc8eee5933c0c7401c0094394
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_linux.go b/vendor/github.com/Sirupsen/logrus/terminal_linux.go
new file mode 100644
index 0000000..308160c
--- /dev/null
+++ b/vendor/github.com/Sirupsen/logrus/terminal_linux.go
@@ -0,0 +1,14 @@
+// Based on ssh/terminal:
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !appengine
+
+package logrus
+
+import "syscall"
+
+const ioctlReadTermios = syscall.TCGETS
+
+type Termios syscall.Termios