Fixed dev@meosos typo in release-guide.
Fixed dev@meosos typo in release-guide.

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