first pass at expunging read + unflagged messages
cleanup
config, README
Merge pull request #5 from dme/minor

Improve the output of the 'list' command, by dme
Patched feedparser as per https://github.com/kurtmckee/feedparser/pull/10
CHANGELOG
Store state and configuration in ~/.rss2email.

If the current directory (typically the source directory) does not
contain a feeds.dat, create and use ~/.rss2email as a directory to
store feeds.dat (and optionally config.py).