Handle incorrect token better in sync code (currently just 500s)

[danielsmith-eu]

[danielsmith-eu]

Also in websocket code:

[danielsmith-eu]

root ERROR 2014-02-18 14:39:14,311 WebSocketsHandler frameRecevied, error: 'NoneType' object has no attribute 'get_store'
root ERROR 2014-02-18 14:39:16,672 WebSocketsHandler frameRecevied, error: 'token'
root ERROR 2014-02-18 14:39:16,705 WebSocketsHandler frameRecevied, error: 'NoneType' object has no attribute 'get_store'
root ERROR 2014-02-18 14:41:50,395 WebSocketsHandler frameRecevied, error: 'token'
root ERROR 2014-02-18 14:41:50,396 WebSocketsHandler frameRecevied, error: 'NoneType' object has no attribute 'get_store'