api: use constants from provision package instead of magic strings
api: use constants from provision package instead of magic strings

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