Update import of strutils from oslo.

Change-Id: Iee18c2226cf1f5c3ea0653c9e13d94b02650bc0d
Convert to oslo strutils.bool_from_string.

The only functional difference here is that the value '2' is now
treated as False instead of True. I suspect that's ok.

Change-Id: I30e75470cb3c312d7f92d389995eb6d845dd2fb0
Imported Translations from Transifex

Change-Id: Ice855f70d3c22db39357dfe8101b5d68741ed6ce
Merge "Imported Translations from Transifex"
Allow flake8 to run in venv

flake8 should be able to run within the venv.

Change-Id: Ife269e54947f0283adceca15af60f38688e1ee64
Merge "Update import of strutils from oslo."
Merge "Allow flake8 to run in venv"
Merge "Convert to oslo strutils.bool_from_string."