Added .fwknoprc file creation and processing.  This allows for saved default and named configuration profiles.  Updated fwknop manpage  to reflect the new capability.  Also cleaned up messages (errors, info) from the program.

git-svn-id: file:///home/mbr/svn/fwknop/trunk@234 510a4753-2344-4c79-9c09-4d669213fbeb