small change to badges info just to restart build
added git config line to appveyor file as per kirills suggestion
Fixed slack key
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