serve drone stream client code from module

plugins/video-stream/index.js

@@ -1,5 +1,16 @@
+var join = require('path').join;
+
 function video(name, deps) {
+    var path = '/plugin/' + name + '/js/nodecopter-client.js';
+    // serve nodecopter-client from node_modules:
+
+    deps.app.get(path, function (req, res) {
+        res.sendfile(join(
+            'node_modules', 'dronestream', 'dist', 'nodecopter-client.js'
+        ));
+    });
+
     require("dronestream").listen(3001, {tcpVideoStream: deps.client.getVideoStream()});
-};
+}
 
 module.exports = video;