in classmethods: class_ -> cls, per Python convention
Syntax fix for readthedocs
Detect oVirt Virtualization as kvm and not physical
honor `timeout` arg in utils.s3.get_iam_metadata()
Merge pull request #4803 from deniskin82/syntax_fix

Syntax fix for readthedocs
rm unused arg `name` from OverState.verify_stage()
use actual bool and rename var for clarity
Merge pull request #4810 from hulu/grub-legacy-cleanup

grub_legacy module: use actual bool and rename var for clarity
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
tests: standardize to modern 'except FooError as err:' syntax
standardize to modern 'except FooError as err:' syntax (Part 2)
standardize to modern 'except FooError as err:' syntax (Part 3)
standardize to modern 'except FooError as err:' syntax (Final Part 4)
fix more typos; capitalize more acronyms
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()