Fixed Django version changed out from under tox.ini
Updated deps to grab latest minor Django version
Updated tox.ini to explictly use virtualenv python

this how I usually see Python called in tox.
Updated travisCI config to use Django1.6 instead of 1.7 too
Merge pull request #7 from crccheck/testing-versions

Fix test suites were pulling Django 1.7 stead of 1.6