BUG-INTALIO-000994 make es log configurable
Merge pull request #76 from michaelnsj/BUG-INTALIO-000994

Merged
no need to update gem itself after installation, and one cherri-pick
Merge pull request #78 from arkxu/cluster

no need to update gem itself after installation, and one cherri-pick
Merge branch 'cluster' of github.com:intalio/vcap into cluster