Stop using distribute for Python 3 tests.
Stop using distribute for Python 3 tests.

Change-Id: Ief2256281ea701a5fd765955aac96521773d1484

jdandrea/pecan,StackStorm/pecan,pecan/pecan,ryanpetrello/pecan,jdandrea/pecan,StackStorm/pecan,pecan/pecan,ryanpetrello/pecan