RFR: Parse .ssh/config in git-pr if needed

[Erik Duveblad via github.com]

The pull request has been updated with additional changes.

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

Added commits:
 - d73d02a8:	Check if ~/.ssh/config exists

Pull request:
https://git.openjdk.java.net/skara/pull/88

Webrevs:
 - full: https://webrevs.openjdk.java.net/skara/88/webrev.01
 - inc: https://webrevs.openjdk.java.net/skara/88/webrev.00-01

Updated full patch:
https://git.openjdk.java.net/skara/pull/88.diff

Fetch command:
git fetch https://git.openjdk.java.net/skara pull/88/head:pull/88