Fix spacing in help string.
Update the man pages to reflect the new worker options.
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Fixes incorrect pointer handling in parrot.

When updating the integer types, there was a mix of sign/unsigned
pointer types, which would produce messages as:

echo `uname -m`
sh: /bin/uname: Bad address

This commit fixes that.