Added engineio missing dep

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@2173 b32b6428-25c9-4566-ad07-03861ab6144f

apps/dashboard/setup.py

@@ -23,11 +23,13 @@ setup(
     packages=find_packages(),
     include_package_data=True,
 
+    # for unknown reason, socketio requires engineio, but it's missing in the setup
     install_requires=[
         'xaal.lib',
         'bottle',
         'gevent',
         'gevent-websocket',
+        'python-engineio',
         'python-socketio',
         'mako',
     ]