Add support for Pyflakes quality violations: eg. diff-quality --violation=pyflakes
Add pyflakes to requirements.txt
Add pyflakes to README

CI skip
Add a new test violation for pyflakes integration test; update other tests
Add two more integration tests for Pyflakes
Merge pull request #1 from hugovk/intergration_test

Add intergration tests for Pyflakes
Write report to stdout even with --html-report

This way I can see the output in Jenkins console even when generating
HTML and I don't need to run diff-cover twice.
Merge pull request #85 from msabramo/write_to_stdout_even_with_html_report

Write report to stdout even with --html-report
Use context manager for output_file
Merge pull request #86 from msabramo/context_mgr

Use context manager for output_file
Release v0.4.2
Backport tokenize.open from Python 3.2

If tokenize.open is not available for opening python files, use the
version of detect_encoding available in lib2to3 and copy the open
wrapper from Python 3.2. Remove the ipython requirement.
Merge pull request #88 from dashea/tokenize-open

Backport tokenize.open from Python 3.2
Version 0.4.3
Merge pull request #84 from hugovk/master

Add support for Pyflakes quality violations
Version 0.5.0
Merge branch 'master' into fix-snippets-relative-path

Conflicts:
	diff_cover/snippets.py