add first pass of foolish log tailer
add first pass of foolish log tailer

GET /tasks/x/logs

returns tail of logs as 'logs' in response hash

GET /tasks/x/logs?watch

returns a transaction id for a get request that will stream the
tailed logfile.  GET /tasks/x/logs/<transactionid> to get the
stream.

rcbops/opencenter,rcbops/opencenter