Added README so that know how to build the final PDF
Make sure that network configuration for communication link on primary server uses first network interface (eth0)
Changed the way of dealing with /etc/hosts and /etc/hostname when installing Zimbra and later when setting up DRBD
Note about DRBD metadata partition not being setup ok
Cluster check is a Pacemaker check and needs to be done after Pacemaker has been installed
Pacemaker configuration was improved so that all the resources stay in the same node together
Add thesis notice that explains that this is a master thesis update and not the original master thesis.