Refactor API params tuples to sets
Refactor API params tuples to sets

SUPPORTED_PARAMS, LIST_PARAMS and ORDER_VALUES are used only to check
whether some value is inside of them.

This patchset makes them sets instead of tuples.

Change-Id: I0abfc555d1a481b20dc971c3a801fdf7e88aed2f

DavidPurcell/murano_temp,openstack/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,DavidPurcell/murano_temp,openstack/murano