Use custom Heat client with HTTP proxy support

Closes: bug #1264123
Change-Id: I597599561973ca488e962b728b33e4129e12e7c9
Add tests for vm backed with Ceph live migration

Added OpenStackActions class to perform common
OpenStack operations, such as creating
servers, migrating them, making some basic
checks;

Added basic test for verification of live
migration of VMs backed with Ceph;

Change-Id: If5789338f68ad35151175afe29830fb9b75f7ecf
Closes-bug: #1261336
Merge "Use custom Heat client with HTTP proxy support"
Fast fix for smoke test

Change-Id: I1dcacff0dca466a5c78177fd8ff90181d9b111e2
Merge "Add tests for vm backed with Ceph live migration"
Ceph build tweaks. Do not merge.

Change-Id: If7f369078f5e1b559a2ec2aa9429f3759e037ba4