Added changes to notify websocket listeners of alert dialogs.

Now correctly sets up websockets for alert messages, and sets up long pulling, and used configuration options friendly to hosting providers.

Added an exmple socketio application in python.

Fixed package.json to be valid json

Added Android support for system dialog detection.

Updated java code, fixed regex, and added apidemos test

Updated java code, fixed regex, and added apidemos test

Updated the test cases for alert dialog notifications

selendroid should also unlock screen before test

kill selendroid-instrumented app after test (fix #641)

changelog and bump for publish 0.6.0

Create mobile_methods.md

add a hardcore mode to reset.sh that will delete uicatalog and maybe other things in the future

No longer restarting avd if it's already running