Updated framework-rate-limiting.md
Updated framework-rate-limiting.md

The configuration parameter for rate limits should be --rate_limts
rather than --rate-limits.

Review: https://reviews.apache.org/r/38256

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