Update git submodules

Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Adds configuration files"
  - Adds configuration files

    JIRA: N/A

    Adds yaml files in conf/ to fit the laas software into your lab
    infrastructure.
    Each installer (Fuel, joid, etc) will also have their own config file,
    which will point also to their own network and domain config file.

    Change-Id: I0bcd57399b9f3f12aa351604fd03ae92de1ba93b
    Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>