HHH-8095 Update javax.transaction dependency so that it auto-generates a
version range

Conflicts:
	libraries.gradle
HHH-8096 Re-work the OSGi class loading concepts

Conflicts:
	hibernate-entitymanager/src/main/java/org/hibernate/ejb/Ejb3Configuration.java
	hibernate-entitymanager/src/main/java/org/hibernate/ejb/HibernatePersistence.java
	hibernate-osgi/src/main/java/org/hibernate/osgi/HibernateBundleActivator.java