warden: Wait for "running" event on container start
warden: Wait for "running" event on container start

Change-Id: I695e88aaaf96e906f6a1a53f85a820d93f2b4010

cloudfoundry-incubator/garden-linux,tangfeixiong/garden,cloudfoundry-incubator/garden,cloudfoundry-incubator/garden-linux,cloudfoundry-incubator/garden,shashidharatd/garden-linux,shashidharatd/garden-linux,savaki/garden,tsaleh/garden,savaki/garden,tsaleh/garden,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,tangfeixiong/garden,shashidharatd/garden-linux