RFR: Put the credentials lock in the remote repository

[Robin Westberg via github.com]

The pull request has been updated with additional changes.

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

Added commits:
 - 376da882:	Review updates

Pull request:
http://git.openjdk.java.net/skara/pull/14

Webrevs:
 - full: https://openjdk.github.io/cr/skara/14/webrev.01
 - inc: https://openjdk.github.io/cr/skara/14/webrev.00-01

Updated full patch:
http://git.openjdk.java.net/skara/pull/14.diff

Fetch command:
git fetch https://github.com/openjdk/skara.git 376da882:pr/14