Release of Version 2.2.1

[Alan DeKok]

Stefan Winter wrote:
> well, my primary interest is getting a 2.2.1 which terminates cleanly.

  Me, too.

> If this error only occurs on exit and has no other implications, then
> I'd be just as fine with reverting to the more unelegant "don't call
> free_mainconfig()".

  Well.. I'd like to know why it's crashing.  That really needs to be fixed.

  Alan DeKok.