Temporary fix for Django version

Change-Id: Icd5be3d3992a92386973b5a94c591797fc8b7d04
Related-Bug: #1373381
Workaround for virtualbox snapshot lookup

Change-Id: Ifc912183aceb3ee3fe328805eda69c6057567087
Closes-Bug: #1376778
Workaround for virtualbox domain resuming

Change-Id: I0675f0ab7a82d4928aa44427250ddb1f0c7d85c2
Closes-Bug: #1376791
Fix for error in calling logger

Change-Id: I7fdb25099403770d76e4d7987572dc1c922a8353
Add time-sync functionality to dos.py

Add functionality to sync time on
specific env nodes on demand using dos.py

Related-Bug: #1318641

Change-Id: If26abc316a80e31fb575fec0ebffa1685025d556
Merge "Add time-sync functionality to dos.py"
Merge "Workaround for virtualbox domain resuming"
fuel-devops 2.5.1 release

Change-Id: I3ab97483fffc0b7fdc2abbb12b0709dbb350d902
Support of 'bridge' network implemented for libvirt driver

Implementation of 'bridge' network type that allows to connect
VM to existing host bridge interface

Change-Id: I69ebbde21ce2c9e4063bc402e7ab23a359f173bf