show updates for non-final packages and show "#was" comment in the same line as the readme suggests
Fix .travis.yml and add tox.ini

The test fail for me, due to something buildout-related.
Add a Travis CI status badge
tox -e coverage
Let's not git ignore .coveragerc
Fix failing tests

The new zc.buildout (2.something) always inserts a couple of hardcoded
version pins of the form

  zc.buildout = >=(current version)
  zc.recipe.egg = >=2.0.0a3

in order to "prevent downgrading due to prefer-final".
Fix PyPy builds on Travis CI
single line output for easy grepping upgdateable packages

the section "The old comments are removed:" does not make sense in this case.
we might rename it to "lets pin our updated eggs"
and remove the line "# was: zope.interface=3.4.0"
Merge branch 'master' of github.com:zopefoundation/z3c.checkversions into use_dev_releases

Conflicts:
	src/z3c/checkversions/buildout.txt