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.