Version bump to 0.2.2
Version bump to 0.2.2

0.2.1 tag was cut with the 0.2.1 change here in the working tree but not
committed.  Oops!

So, nuked that tag, but it's tainted.  Bump to 0.2.2 with no semantic
change over 0.2.1 beyond "might get the tags right this time.

PennockTech/smtpdane,PennockTech/smtpdane