Add travis->pypi config (Fixes #128)
Fix whitespace that travis tool squished
Fix quotes
Unit tests for printhooks
CreateTestsEvent used to change Event._attrs in class initialization section (executed on module import) which lead to CreateTestsEvent's specific attributes appearing in _attrs of all the other events. This effect was apparent in printhooks' unit tests.

I believe it was a simple typo, thus changed.
Add coverage plugin as a core plugin (#120)
Append coverage plugin test
Merge pull request #180 from harobed/coverage-plugin

Add coverage plugin as a core plugin (#120)
As per the docs ("Using nose2"), `--print-hooks` switch should also have short form `-P`
Basic functional tests for printhooks plugin
Merge pull request #185 from kurniliya/printhooks-tests

Printhooks tests
Update .travis.yml

Add all_branches: true
Merge pull request #178 from jpellerin/travis-pypi

Travis pypi config
unittest discover is not available in Python 2.6. Revert to 7f29234754be0f7d9a248ac0ef045d9306858eac.
Updated comment
Added development requirements.
Updated six version.
Update requirements.txt
Merge pull request #192 from kurniliya/fix-tox-py26

Fix tox py26 env (closes #191)
Fixed missing return that broke test discovery.