Enfore proper line endings

As per https://help.github.com/articles/dealing-with-line-endings :
Use * test=auto for cross-plattform compatible line endings.
Normalize all the line endings
Add optional arg to suppress installed keywords
Merge pull request #14 from mulmschneider/line-endings

normalize line endings
merge
Merge branch 'mulmschneider-no-installed-keywords'