hg: jdk9/sandbox/jaxp: Merge

[magnus.ihse.bursie at oracle.com]

Changeset: 686e66e902d3
Author:    ihse
Date:      2017-04-05 00:28 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jaxp/rev/686e66e902d3

Merge

- README
- THIRD_PARTY_README
- test/javax/xml/jaxp/isolatedjdk/catalog/PropertiesTest.sh
- test/javax/xml/jaxp/unittest/catalog/CatalogInvalidPathTest.java
- test/javax/xml/jaxp/unittest/catalog/catalogReferCircle-itself.xml
- test/javax/xml/jaxp/unittest/catalog/catalogReferCircle-left.xml
- test/javax/xml/jaxp/unittest/catalog/catalogReferCircle-right.xml