Synchronized v1 and unversioned master.proto.
Synchronized v1 and unversioned master.proto.

Review: https://reviews.apache.org/r/54181/

zmalik/mesos,zmalik/mesos,asamerh4/mesos,craimbert/mesos,zmalik/mesos,jpeach/mesos,kaysoky/mesos,Gilbert88/mesos,abudnik/mesos,verizonlabs/mesos,andschwa/mesos,yuquanshan/customizedMesos,jpeach/mesos,reneploetz/mesos,asamerh4/mesos,jpeach/mesos,andschwa/mesos,kaysoky/mesos,abudnik/mesos,zmalik/mesos,kaysoky/mesos,asamerh4/mesos,dforsyth/mesos,neilconway/mesos,gsantovena/mesos,reneploetz/mesos,abudnik/mesos,chhsia0/mesos,chhsia0/mesos,reneploetz/mesos,verizonlabs/mesos,andschwa/mesos,Aman-Jain-14/customizedMesos,zmalik/mesos,Gilbert88/mesos,chhsia0/mesos,craimbert/mesos,yuquanshan/customizedMesos,chhsia0/mesos,verizonlabs/mesos,verizonlabs/mesos,asamerh4/mesos,craimbert/mesos,zmalik/mesos,yuquanshan/customizedMesos,craimbert/mesos,yuquanshan/customizedMesos,reneploetz/mesos,neilconway/mesos,abudnik/mesos,craimbert/mesos,verizonlabs/mesos,Aman-Jain-14/customizedMesos,craimbert/mesos,abudnik/mesos,Gilbert88/mesos,jpeach/mesos,gsantovena/mesos,chhsia0/mesos,jpeach/mesos,kaysoky/mesos,yuquanshan/customizedMesos,Aman-Jain-14/customizedMesos,Aman-Jain-14/customizedMesos,chhsia0/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,jpeach/mesos,Gilbert88/mesos,gsantovena/mesos,Gilbert88/mesos,gsantovena/mesos,reneploetz/mesos,andschwa/mesos,gsantovena/mesos,verizonlabs/mesos,yuquanshan/customizedMesos,Gilbert88/mesos,andschwa/mesos,zmalik/mesos,neilconway/mesos,neilconway/mesos,reneploetz/mesos,kaysoky/mesos,Gilbert88/mesos,asamerh4/mesos,dforsyth/mesos,abudnik/mesos,dforsyth/mesos,asamerh4/mesos,Aman-Jain-14/customizedMesos,kaysoky/mesos,gsantovena/mesos,dforsyth/mesos,kaysoky/mesos,reneploetz/mesos,gsantovena/mesos,craimbert/mesos,andschwa/mesos,neilconway/mesos,dforsyth/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,dforsyth/mesos,andschwa/mesos,verizonlabs/mesos,dforsyth/mesos,neilconway/mesos,asamerh4/mesos,chhsia0/mesos,abudnik/mesos