RFR: Ignore `path=` lines in git credential fill output.

[JornVernee via github.com]

The pull request has been updated with additional changes.

----------------

Added commits:
 - 5044d1d6:	Pass path to approve and reject instead. Also add a path parameter to GitCredentials::fill

Pull request:
http://git.openjdk.java.net/skara/pull/7

Webrevs:
 - full: https://openjdk.github.io/cr/skara/7/webrev.01
 - inc: https://openjdk.github.io/cr/skara/7/webrev.00-01

Updated full patch:
http://git.openjdk.java.net/skara/pull/7.diff

Fetch command:
git fetch https://github.com/openjdk/skara.git 5044d1d6:pr/7