default to v2
s/conn/_connection/ (as in storage.py)
refactor authentication to one file, additionally using more of pyrax
flake8
Revert "greater than OR equal to 1.9"

This reverts commit 830d9c10112453121e4e454462c690b3ad950215.
Revert "require newer version of pyrax"

This reverts commit 5496771bebe6768c57bc2ec5168c4557589ca1e8.
Revert "fix auth url as per: https://github.com/rackspace/pyrax/issues/414"

This reverts commit b7d503f32e4b11622c1000815f901141fdabaefd.
Revert "Revert "fix auth url as per: https://github.com/rackspace/pyrax/issues/414""

This reverts commit 31973aa3865123a38fad6647d131d493b73ebbf4.
Revert "Revert "require newer version of pyrax""

This reverts commit 3abb94d7dea7fd871500dd0419892b664899469d.
Revert "Revert "greater than OR equal to 1.9""

This reverts commit 7e2ac4c4b96d53bb682a7530d914936b17765d0b.
we probably don't need swiftclient anymore
use new location of DEFAULT_CDN_TTL
handle case when swiftclient is not installed