add standard files
[FIX] pass flake8
[FIX] adapt to change in maintainers-tools
[IMP] Sandy's suggestions
[DEL] redundant readme file
Merge pull request #5 from hbrunn/6.1_flake8

[FIX] flake8
fix travis
Merge pull request #11 from yvaucher/6.1-fix-travis

[FIX] maintainer-quality-tools location