killbill-memoizeit

Versioning catalog complete (I think)

Fixing test for versioned catalog

Partial implementation of versioned catalog - tests are failing

First refactoring after code walkthrough

Merge branch 'irs-integration' of git@github.com:ning/killbill …

into irs-integration

Fixes to make some of the optional items appear correctly

updates to account creation event sequence; fixed analytics …

tests

renaming of interfaces, classes (from code walk-through)

Merge branch 'master' of github.com:ning/killbill into killbill-account

Code review comments asking why this class even exists considering …

it doesn't do anything.