godep: update docker-cluster version
godep: update docker-cluster version

cezarsa/tsuru,gwmoura/tsuru,ggarnier/tsuru,cezarsa/tsuru,mderaldo/tsuru,kgrvamsi/tsuru,gciotta/tsuru,firebitsbr/tsuru,tsuru/tsuru,tsuru/tsuru,hcxiong/tsuru,gwmoura/tsuru,guilhermebr/tsuru,cgvarela/tsuru,firebitsbr/tsuru,gwmoura/tsuru,tsuru/tsuru,4eek/tsuru,cezarsa/tsuru,jblancett/tsuru,mderaldo/tsuru,cgvarela/tsuru,gciotta/tsuru,ggarnier/tsuru,Endika/tsuru,4eek/tsuru,ggarnier/tsuru,tuxmonteiro/tsuru,tsuru/tsuru,tuxmonteiro/tsuru,firebitsbr/tsuru,guilhermebr/tsuru,tuxmonteiro/tsuru,cgvarela/tsuru,Endika/tsuru,jblancett/tsuru,kgrvamsi/tsuru,4eek/tsuru,Endika/tsuru,hcxiong/tsuru,hugoantunes/tsuru,kgrvamsi/tsuru,hcxiong/tsuru,gciotta/tsuru,RichardKnop/tsuru,RichardKnop/tsuru,RichardKnop/tsuru,mderaldo/tsuru,ArxdSilva/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,cezarsa/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,hugoantunes/tsuru,jblancett/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru