Quota: Added "RemoveQuota" message to ACL protobuf.
Quota: Added "RemoveQuota" message to ACL protobuf.

Review: https://reviews.apache.org/r/41546/

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