Merge remote-tracking branch 'remotes/origin/usage' into usage
Merge branch 'master' into usage
UsageApi change:
* Allow to record usage in bulk
* Change granularity to be LocalDate (in accountTimeZone) instaed of DateTime
* Rework usage DAO layer
* Update invoice code to take advantage of new api
Merge branch 'usage' of github.com:killbill/killbill into usage
Merge branch 'master' into usage
Minor usage api chnage
Update to released version of oss
Fix usage endpoint to verify that we can only record usage on active subscriptions
Add check on start/end date for usage resource