in classmethods: class_ -> cls, per Python convention
Detect oVirt Virtualization as kvm and not physical
honor `timeout` arg in utils.s3.get_iam_metadata()
rm unused arg `name` from OverState.verify_stage()
improve exception handling in gentoolkitmod.eclean_*()

avoid 'return' in 'finally' clause that would fail anyway
reduce area within 'try' to that which might actually raise the relevant exception
utils: rm redundant import of stdlib `stat` module
regex flags cleanup in file module
use genexpr & list comp in minionswarm test
Merge pull request #4804 from jlawer/develop

Detect oVirt Virtualization as kvm and not physical
Merge pull request #4794 from hulu/class_-to-cls

in classmethods: class_ -> cls, per Python convention
Merge pull request #4806 from cvrebert/patch-1

honor `timeout` arg in utils.s3.get_iam_metadata()
Merge pull request #4809 from hulu/overstate-verify_stage

rm unused arg `name` from OverState.verify_stage()
Merge pull request #4812 from hulu/gentoolkitmod

improve exception handling in gentoolkitmod.eclean_*()
Merge pull request #4813 from cvrebert/patch-2

utils: rm redundant import of stdlib `stat` module
Merge pull request #4814 from hulu/re-flags

regex flags cleanup in file module
Merge pull request #4815 from hulu/swarm-test-comprehension

use genexpr & list comp in minionswarm test