api: map URL for the serviceInstance handler
api: map URL for the serviceInstance handler

Closes #424.

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