RFR: Adding project explanation

[Marcus Hirt via github.com]

The pull request has been updated with additional changes.

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

Added commits:
 - 6e020c80:	Adding line breaks

Pull request:
http://git.openjdk.java.net/skara/pull/16

Webrevs:
 - full: https://openjdk.github.io/cr/skara/16/webrev.01
 - inc: https://openjdk.github.io/cr/skara/16/webrev.00-01

Updated full patch:
http://git.openjdk.java.net/skara/pull/16.diff

Fetch command:
git fetch https://github.com/openjdk/skara.git 6e020c80:pr/16