Flake8 whitespace; add translate; change use 'is None' not = Changed out some strings like: _("foo bar bas....") into _( "foo" "bar bas") to handle long lines. Verified both forms result in the same string extraction using locale tools xgettext/xpot. Added a couple of translation marks.

[run]

# ignore the dist utils. They are not part of the code base
# we are going to test. They are used by maintainers only.
omit = roundup/dist/*