Merge pull request #37 from fungusakafungus/tests_require

Prepare for travis-ci: add awacs to tests_require
Merge pull request #38 from fungusakafungus/travis

Prepare for travis-ci: add .travis.yml
Add pep8 and pyflakes to .travis.yml
Added current output of all examples

Used this to run examples:

    $ for p in examples/*.py ; do PYTHONPATH=. python $p > tests/examples_output/$(basename $p .py).template; done
Check output in test_examples