cmd/tsr/migrate: change pool migration to just copy docker_scheduler collection.
cmd/tsr/migrate: change pool migration to just copy docker_scheduler
collection.

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