This fixes some issues with pyflakes:
AttributeError: 'ClassDef' object has no attribute 'keywords'
Add requirements for six>=1.7.0
This is for jaraco.collections but something is draging in an older version.
Signed-off-by: Paul Belanger <firstname.lastname@example.org>
Similar to replicating to github for the convenience of our
developer community, sending statuses ALSO to twitter seems
like a potentially low-impact way to communicate status on
an additional channel.