To build the application you need to download and install in your local maven repository the project votingsystem-android-bouncycastle
Make sure that you've downloaded the latest extras as well as the Android 5.0 SDK via the SDK-Manager.
There's a bug with Android 5.0 SSL that prevents websocket secured connections (wss) with Tyrus and pre-9 Jetty libraries https://java.net/projects/tyrus/lists/users/archive/2015-01/message/0 https://code.google.com/p/android/issues/detail?id=103251#c10 https://code.google.com/p/android/issues/detail?id=93740