Add basic api unit. This unit will be responsible for providing all stf restful apis.

lib/units/api/controllers/user.js

@@ -0,0 +1,10 @@
+module.exports = {
+  getCurrentUser: getCurrentUser
+};
+
+function getCurrentUser(req, res) {
+  res.json({
+    success: true
+  , user: {"name": "dummy"}
+  })
+}