Restore gitattributes ident.

Regression from
5458862fd5afbc6d2e06ef68faf392c81ffa22c4
e5dda050afd2d38491913c5b5e50bab7cb9f525f
Merge pull request #286 from bantu/restore-gitattributes

Restore gitattributes ident / Fix not being able to switch branches right after clone