- update to 2.4
* Add options -b, -D and -R.
* Remove environment variable for the remote
charset and make it available via option -R.
* remove all code that deals with running as suid-root. Also
remove minicom.users as it's not needed anymore. Handle
permissions within the file-system.
* Consolidate lockfile handling into separate functions and use them,
also do lockfile handling before and after launching kermit.
* Add -b %b (Baudrate) to kermit command call.