Added mhpath test. Updated mhpath man page to reflect actual behavior for a message...
[mmh] / test / format /
drwxr-xr-x   ..
-rwxr-xr-x 595 test-localmbox
-rwxr-xr-x 748 test-myhost
-rwxr-xr-x 979 test-mymbox
-rwxr-xr-x 788 test-myname