Log supervisor and worker activity to console
StrongOps profiling can optionally be disabled

Also, remove references to strong-agent, replacing with StrongOps, which
is more recognizeable.
Print the port that will be listened to

When listen fails due to address-in-use, its nice to know what address
was in use.
supervisor can run detached (as a daemon)
detached children redirect output to a file

If they are detached from a terminal, the output should go somewhere.
The file name/location can be changed with -l/--log.
write pid to a file if requested
MIT license
update readme with module usage information
Increase test timeouts, CI is slow
use standard signals to shutdown or restart
Merge pull request #2 from strongloop/feature/sr-sln-680-daemonization

Feature/sr sln 680 daemonization