Please review the jpackage fix for bug [1] at [2].
This is a fix for the JDK-8200758-branch branch of the open sandbox
repository (jpackage).
- moved code creating WiX sources for app image from WinMsiBundler in a
separate class - WixSourcesBuilder;
- put at most one file in component in WiX sources;
- use StAX to create WiX sources;
- added IOUtils.createXml function to simplify xml creation;
- added basic javadoc to AppImageFile class;
- added support for use of icons in file associations test for better
coverage;
- fixed the bug with not excluded `.jpackage.xml` from installed app
image on Windows;
- improved test output isolation when jpackage tests are executed not
with jtreg framework;
- bugfix of MainClassTest test class;
- Alexey
[1] https://bugs.openjdk.java.net/browse/JDK-8223325
[2] http://cr.openjdk.java.net/~asemenyuk/8223325/webrev.00/
