fixes #557, #558, #559
cleanups
Merge branch 'master' into 558_jabber_identifiers
gitignore external go source
feedback from AG
Merge pull request #566 from flapjack/558_jabber_identifiers

Jabber Gateway Hipchat compatibility improvements
auto generate entity ID on creation if none supplied fixes #567
explicitly require securerandom in Data::Entity
feedback from AG
Merge pull request #568 from flapjack/567_auto_entity_ids

auto generate entity ID on creation if none supplied