Merge pull request #2 from nnutter/travis-ci

Travis CI
add a User-Agent header to request

rss2jira was blocked from accessing seqanswers.com because their CDN,
CloudFlare, does a "Browser Integrity Check".
switch to WatchedFileHandler

Switch to WatchedFileHandler so the daemon's log can be rotated by
external tools such as 'logrotate'.