Prototype for integration tests
Use test_requirements.txt to drive tox

Fixes krisztianfekete/lib/#4
fix tox.ini to work with tox>1.8 - fixes #1
Merge pull request #6 from matelakat/use-requirements

Use test_requirements.txt to drive tox
Merge pull request #3 from matelakat/fix-ws-pack

Fix ws pack error
Merge pull request #5 from matelakat/inttest-proto

Prototype for integration tests
travis-ci configuration

.travis.yml reuses configuration already done in tox.ini
README.md has travis-ci build status badge
Merge pull request #7 from krisztianfekete/travis-ci

travis-ci configuration