update requirements versions
split settings into separate files
add flake8 for linting
adjust configured paths after settings split up
Revert "split settings into separate files"

This reverts commit ccd6f6f16939a83a30da3cf22d20ed5469844ce1.
Revert "adjust configured paths after settings split up"

This reverts commit b0bfe704394b4ebe7fc31623c1670252937bae0b.
Merge branch 'master' into develop
add requires.io badge
Merge pull request #6 from benregn/develop

Add flake8 linting, update requirements and requires.io badge