Modified and stand-alone version of Atmosphere's chat example applica…

[tomekki]

Do not pull. This example (streaming-stress) just demonstrates an issue we are experiencing when the network connection between client and server is unstable. The streaming-stress application is based on the chat client example and sends two messages per second. In addition, we are using a script which disconnects the network connection between client and server once a minute for a minute. After one night, connecting and disconnecting, the server gets stuck with a high CPU load and needs to be restated.