Adding sphinx testing to tox.ini for Python 2.6 and 2.7
Adding sphinx testing to tox.ini for Python 2.6 and 2.7

johndeng/mock,dannybtran/mock,pypingou/mock,sorenh/mock,frankier/mock,rbtcollins/mock,fladi/mock,testing-cabal/mock,scorphus/mock,kostyll/mock,OddBloke/mock,derwiki-adroll/mock,lord63-forks/mock,nett55/mock