Automate Explorer instance tests, fix exists()
Placement Policy for RHEV VMs.

Conflicts:
	utils/mgmt_system.py
Check for placement policy affinity

(cherry picked from commit b6e3bbe8920cace995e67abfc023dd1ccc6ecce6)
Check if key exists in kwargs.

(cherry picked from commit a3562677676fa9ab24df6014432a24876ba8ad8c)
Downloading reports.
Modifications for the Control model to work on new builds.
Moved appliance tests to cfme/ subdir, modified style of it + style of utils/tests/, removed Unittestzero
Fixed for new code
Merge pull request #679 from mfalesni/appliance_tests_move

Style consistency update
Merge pull request #654 from weissjeffm/automate5

Automate Explorer instance tests, fix exists()
Added fix for processing candu
Merge pull request #667 from psav/candu_fix

Added fix for processing candu
Merge pull request #659 from akrzos/perf_rhev_placement_policy

Perf rhev placement policy
Merge pull request #243 from mfalesni/bz1021646

BZ 1021646: check download
Remove appliance.db_session()

Fix appliance.rename()
Merge pull request #685 from jkrocil/utils-appliance-fix

Fix utils.appliance
Merge pull request #678 from mfalesni/control_update_for_upstream

Modifications for the Control model to work on new builds.
Provisioning swap to mgmt_system.py