Changed the default cgroup hierarcy path in slave flags to "/cgroup".
Changed the default cgroup hierarcy path in slave
flags to "/cgroup".

From: Ben Mahler <benjamin.mahler@gmail.com>
Review: https://reviews.apache.org/r/9791

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1454610 13f79535-47bb-0310-9956-ffa450edef68

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