api/admin.go: creates function to run admin server
api/admin.go: creates function to run admin server

Relates to #588

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