As nova extensions has been deprecated already and goal is to
merge all scattered code into main controller side.
Currently schema and request/response extended code are there
among all extensions.
This commit merge the schema part of create server for multiplex
create extensions.
Partially implements: blueprint api-extensions-merge-rocky
Change-Id: I2b1a7a45ee35d3a7023a27f13e197221868087b2
This is step 4 of the remove v3 process. It moves the v2.1
json-schemas out of v3 directory, and also corrects all the
references.
Change-Id: Ibf88c38df951ed755b7431846cca7496f861c1dd
Partial-Bug: #1462901
ghanshyam