PC-227 Set a default timeout on all ffmpeg connections of 5 seconds. Fixes camera finder threads in an infinite loop trying to find the stream header.
PC-227 Set a limit of 5 on the number of retries in ffmpeg while fetching a packet. Fixes camera finder threads in an infinite loop trying to find the stream.  "Fetch Packet Redo Failed after 5 attempts" will appear in the debug logs when this occurs.