Change in vdsm[master]: lease: Add lease.find_conf helper

[Code Review]

From Dan Kenigsberg :

Dan Kenigsberg has submitted this change and it was merged.

Change subject: lease: Add lease.find_conf helper
......................................................................

lease: Add lease.find_conf helper

Add a helper to find lease conf dict in VM conf dict, similar to the
helper from drives conf. This helper is needed when hot-unplugging lease
device.

Change-Id: I057fb1d7f9b8222ba07fe36dfb38cbc5f651989b
Bug-Url: https://bugzilla.redhat.com/1408825
Signed-off-by: Nir Soffer 
---
M lib/vdsm/virt/vmdevices/lease.py
M tests/virttests/vmlease_test.py
2 files changed, 59 insertions(+), 0 deletions(-)

Approvals:
  Nir Soffer: Verified; Passed CI tests
  Dan Kenigsberg: Looks good to me, approved

Objections:
  Jenkins CI: Failed CI tests