tree b7285eb520f036cc6ff96644cde651bda9279764
parent 4411b2992c4f093ddc893e2e8149b2277d35c137
author jeremy.zhang <zhangjun_inspur@163.com> 1490153153 +0800
committer jeremy.zhang <zhangjun_inspur@163.com> 1490169660 +0800

Add test case for volume unmanage and manage

Lots of Cinder backend drivers have support unmanage and manage
features. It's necessary to add test case for these feature apis.

Including:

[1] Add volume manage client as library
[2] Add unmanage volume api to v2 volumes client
[3] Add release note
[4] Add test case: test_volume_unmanage_manage

Depends-On: I055aa66738deb5ae2fb925429cec565e3901340c
Change-Id: I4294de92a801db2697ba870ff1b5fdbe4b2f5a4b