This patch changes v3 server_actions API to v2.1, and also share v2.1 and v2
test case.
rename server_actions back to instance_actions.
The differences between v2 and v3 are described on the wiki page
https://wiki.openstack.org/wiki/NovaAPIv2tov3 .
Partially implements blueprint v2-on-v3-api
Change-Id: I8f11dc5f199711e1c98badfbe0035883d9c15573
* Renames the os-instance_actions v3 plugin to os-server-actions
* Also modifies api specific tests and expected user input JSON
* DocImpact only for v3 Nova api documentation for this plugin.
Closes-Bug: #1206032
DocImpact
Change-Id: Id5049e10f5ef540d0d8e3871d800e9d9cb33da73