Reinstate JAXB deps to work around JDK bugs.

Revert "NMS-5482 remove unnecessary JAXB dependencies"

This reverts commit 7c8fe95d64ec14fda1b771841e049c12f04753c4.

Conflicts:
	integrations/opennms-link-provisioning-adapter/pom.xml
	opennms-base-assembly/pom.xml
reinstate JAXB dependencies, using servicemix version instead
remove springsource jaxb references
Merge branch '1.12'

Conflicts:
	dependencies/jaxb/pom.xml
	features/ncs/ncs-model/pom.xml
	features/opennms-jmx-tools/pom.xml
	opennms-base-assembly/src/assembly/daemon.xml