Moterm part 1: Add MotermModel, a "model" for terminal emulation.

This currently wraps libteken, but abstracts this dependency away.

R=erg@chromium.org

Review URL: https://codereview.chromium.org/1130563002
diff --git a/apps/BUILD.gn b/apps/BUILD.gn
new file mode 100644
index 0000000..7602322
--- /dev/null
+++ b/apps/BUILD.gn
@@ -0,0 +1,11 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+group("apps") {
+  testonly = true
+
+  deps = [
+    "//apps/moterm:apptests",
+  ]
+}