1.1 -> 1.2
==========
Fixed a small bug to do with signal handling that meant the message server
just hang.
Moved the sigpause(0) in the 'loop' bit so that you don't have to wait for
a SIGALRM before the thing goes past it.
1.2 -> 1.3
==========
General code cleanups.
Added proper commandline options (see ms -h and README).
Will now re-read message file if you give it a USR1 signal.
Now converts '\n' in message file to '\n\r' so DOS/MS-Windows/VMS
telnet clients should display the message correctly.