Fix the uris in documentation

Broken image links when viewed from github:
https://github.com/openstack/nova/tree/master/doc/source/devref

Change-Id: Icad6ed2aa742310fbea399ddecd8480123eaac64
VMware: remove unused method _get_vmfolder_ref

This method was only used in the ESX driver. That was deprecated
in Juno.

Change-Id: Ied0fdf835c18c4a2c9ca080379e13bfd72d825c2
Share server_password unit test between V2 & V2.1

This patch share unit tests of server_password between V2 & V2.1

Partially implements blueprint v2-on-v3-api

Change-Id: I74d67ada017aa43c5221890dd86c204797d870ef
Add API json schema to volumes api(v2.1)

Partially implements blueprint v2-on-v3-api

Change-Id: I2fd9e5a083055d12d9b7182beb902a5cbec8f1a9
Merge "VMware: remove unused method _get_vmfolder_ref"
Merge "Fix the uris in documentation"
Merge "Share server_password unit test between V2 & V2.1"
Merge "Add API json schema to volumes api(v2.1)"