Since these services don't use RPC, we don't need to reload them. And
these caused problems in gates.
Change-Id: I6967bdc7da0d0c3c06873e3d554124ca995f4c13
Closes-Bug: #1622117
This creates tree and playbook for nova upgrade. Also other service
upgrades will follow standard setup here.
Change-Id: Ic31759efaee4986eb87b9ff0968f13189d130d48
Partially-Implements: blueprint upgrade-kolla
Implements: blueprint upgrade-nova