Change default connection pool from bonecp -> c3p0
Merge branch 'master' of github.com:killbill/killbill
[maven-release-plugin] prepare release killbill-0.1.54
[maven-release-plugin] prepare for next development iteration
Merge remote-tracking branch 'origin/master' into new-paymentpluginapi

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>