Merge pull request #4 from ryanwi/appengine_updates

Update to use latest GAE libraries
Merge pull request #5 from ryanwi/update_feedparser

update feedparser to 5.1.3
Merge pull request #7 from ryanwi/use_real_self

Updates to use the rel="self" as is when url is a feed.
Merge branch 'master' of https://github.com/superfeedr/feediscovery