Upgrade docker-client dep to 2.7.4
Upgrade docker-client dep to 2.7.4

stewnorriss/helios,stewnorriss/helios,skinzer/helios,skinzer/helios,udomsak/helios,stewnorriss/helios,mavenraven/helios,udomsak/helios,gtonic/helios,kidaa/helios,gtonic/helios,DagensNyheter/helios,spotify/helios,mavenraven/helios,udomsak/helios,mattnworb/helios,molindo/helios,dflemstr/helios,mattnworb/helios,DagensNyheter/helios,molindo/helios,mattnworb/helios,kidaa/helios,skinzer/helios,spotify/helios,spotify/helios,dflemstr/helios,mavenraven/helios,gtonic/helios,dflemstr/helios,DagensNyheter/helios,kidaa/helios,molindo/helios