CLOUDSTACK-7508: Remove duplicate network offerings from test_data.py
CLOUDSTACK-7434: Fixed VM Internal name issue in test_custom_hostname.py

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7504,CLOUDSTACK-7507: For LXC host maintenance, migrate system Vms and schedule restart of users Vms
CLOUDSTACK-6694: Refactor 'assign vm' action into function

Makes 'assign vm' action a function, to fix issue where quickview did
not have updated code.