provision/docker: change variables with underscore
provision/docker: change variables with underscore

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