Run self-check suite in travis
Quiet installation
Install hamcrest
Use step progress formatter
Make pip quiet
Re-add modules required by behave
FIX issue #135: Avoid leaking globals between step modules. execute_steps(): Minor cleanup/simplification.
FIX: py25 testrun.
BUMP-VERSION: 1.2.2.18
FIX: Update version 1.2.2.18 in setup.py
BUMP-VERSION: 1.2.3a19 (increment to collect changes)
Add selftest for issue #139 (not reproducible, maybe related to issue #35).
FIX: output check logic.
Merge branch 'advanced_travis' of https://github.com/roignac/behave into roignac-advanced_travis