bdist_wheel universal support
python 2.6 EOL notice.
tox cleanup

add python 3.4
Merge pull request #73 from xavfernandez/tox

tox cleanup
prepare for next dev version (1.9.4)
open version file with codecs.open (see pull request #61)
Fix test runner output buffering.

see issue #59.
fix the tests to be more specific (see issue #59)
hide unnecessary options from main() (see issue #59)
change example so that using --help does not show broken options (issue #59)
Updated rundescription in README.
Created test to check if xmlrunner can run as module.
the module call for python 2.6 has to be different