Small changes to make it compatible with the latest versions#4

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gfl wants to merge 7 commits intoseanorama:masterfrom gfl:master

+29-8

Commits on May 8, 2015

Changed VM image to a basic Centos one.

gfl
authored and
Gracia F
committed

Commits on May 10, 2015

Commits on May 12, 2015

Added fqdn to ansible inventory and added all the hosts to /etc/hosts.
gfl
committed

Commits on May 21, 2015

Set VMs memory to the minimum required by the datanodes.
gfl
committed