provision/docker: use the function for creating the token file
provision/docker: use the function for creating the token file

Should fix the build :)

Related to #853.

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