454822: Avoid NPE when emmitting Conluence link with no href

Change-Id: I66c8c5b697ea66c454243d19f2865124890cd204
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=454822
454932: fix or remove failing EPUB test

Change-Id: I0fc7eb87e802fd6f8b4efd381d43422b2527b727
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=454932
454932: fix or remove failing EPUB test

Remving required jar's from build.properties

Change-Id: Ia8bcad3d0f95baf5da283979602766230c6cabfe
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=454932
455485: xslfo link handling issues

XslfoDocumentBuilder does not handle links correctly:
* hyperlinks without label are not handled as links at all
* external links duplicated.
This patch fixes the code and adds a test for this issue.

Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=455485
Change-Id: I1307de30e1526beffafa6de9b333fe4f84bfb01a
Signed-off-by: Ulf Winkelvos <ulf.winkelvos@mgm-tp.com>
Ignore project file.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>