setting of keepalive is wrong, it should follow the requested one ( or
always as http1.1) only deny if needed (errors). KeepAlive may increase
stress on number of avaiable file descritors.
To do this required GetMesh to be converted to a BaseStreamHandler
Unlike GetTexture connector, no redirect URL functionality yet (this wasn't present in the first place).
* This still has the image throttler in it.. as is... so it's not suitable for live yet.... The throttler keeps track of the task throttle but doesn't balance the UDP throttle yet.