anchor.diff:  add 'insecure' to the exportfs file on the NFS server, this is because
   of the way port translation is done between the VM host and the VM instance.
   
  -see this for more details:
  +For more details on this bug, please see the following link.
   
   http://serverfault.com/questions/107546/mount-nfs-access-denied-by-server-while-mounting
   
  
positive.code: *fsGroup* security context setting but the idea for allowing
  write permissions is the same.
  
  Here are the instructions I use when setting up NFS:
  
  http://www.itzgeek.com/how-tos/linux/centos-how-tos/how-to-setup-nfs-server-on-centos-7-rhel-7-fedora-22.html
  
  
negative.code: The examples specify a test NFS server running at IP address 192.168.0.103.
  
  On that server, the /etc/exports file looks like this:
  ....
  /nfsfileshare *(rw,sync)
  ....
  