Rename Gene to Ref

ansible/roles/install_sw/tasks/main.yml

ansible/roles/refresh_sw/tasks/install_sw.yml

refelt/PDU.xmi

refelt/Rack.xmi

refelt/RefA.py

refelt/RefA.xmi

refelt/RefAchild.py

refelt/RefAchild.xmi

refelt/RefAlarms.py

refelt/RefB.py

refelt/RefB.xmi

refelt/RefBchild.py

refelt/RefBchild.xmi

refelt/RefCapCorrelator.xmi

refelt/RefCapPssBeams.xmi

refelt/RefCapPstBeams.xmi

refelt/RefCapVlbiBeams.xmi

refelt/RefMaster.py

refelt/RefMaster.xmi

refelt/RefSubarray.xmi