add .gitattributes to not depend upon core.autocrlf
Revert "added git config line to appveyor file as per kirills suggestion"

This reverts commit e55c3fd6c526edf06589ef4844f1f5353bffc73c.

Conflicts:
	appveyor.yml
Merge pull request #62 from krlmlr/master

add .gitattributes to not depend upon core.autocrlf