Kill uninit warning

that was annoying.
Switch to twitter's v1.1 API

Fortunately someone else did the work.
Parse the ChangeLog instead of a Maildir

Not huge changes, but important, means it is less likely to blow up if I don't
clean out my mailbox and use less memory.

Also includes some improvements in the parsing of the commit message, so
should be fewer "did something the parser couldn't recognize" messages.

Plus a script to sync the changelog
Better decode the ChangeLog

It's apparently in UTF-8 and we want to be able to show names like
Jean-Gérard Pailloncy properly.
Mention what we retweet
Make the logic of when to add a "wildcard" easier to read

Too many negatives, unless not, ouch!
Add the "tag" if there is one, indicates a commit to -stable

Which is fairly useful.  Now that I know about it, I should setup a new
feed, OpenBSD_CVS_Sec or somesuch.