Add man-page writing utility to libutils, employ for cf-promises
Do not print long description in --help
Rename Syntax -> PrintHelp
Hook all binaries up to new man-page writer, remove old man-page writer
Update cf-agent manpage description
Update cf-execd manpage description
Update manpage description for cf-monitord
Update manpage description for cf-runagent
Update manpage description for cf-serverd
Rename Cfengine -> CFEngine

Care has been taken to not rename passphrases for crypto, or
any function names.