Add Faraday to dependencies
Add setting about PubSubHubbub
Add link to hub in /snippets.atom
Generate model PubsubhubbubNotifier
Notify PubSubHubbub hub on public snippets posted
Merge branch 'master' into pubsubhubbub-sync
Rescue errors for each instance of PubsubhubbubNotifier
Merge pull request #102 from iiirc/pubsubhubbub-sync

Pubsubhubbub sync