Update git submodules

Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Bash scripts for remote host deployment"
  - Bash scripts for remote host deployment

    JIRA: N/A

    Adds various scripts into hostscripts/ to make the deployment
    easier.
    The whole hostscripts directory is copied to the remote host during
    deployment.
    mkDisks will create needed virtual disks
    vncAllow punches a hole in the firewall to allow a vnc connection
        (useful for debugging)
    ipnat.sh uses iptables to NAT out an isolated virtual machine
        to access horizon, for example

    Change-Id: I25c23c0c4893838e58ba1cd7baaa5347de4ef47f
    Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>