Fixed bug in read prompt in support/release.sh.
Fixed bug in read prompt in support/release.sh.

From: Jakob Homan <jghoman@apache.org>

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1439229 13f79535-47bb-0310-9956-ffa450edef68

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