Bz1095892: Remove the helloworld-osgi, wicket-war, and wicket-ear quickstarts from Github and the JBoss EAP 6.3 product

Conflicts:
	helloworld-osgi/pom.xml
	pom.xml
	wicket-ear/ear/pom.xml
	wicket-ear/ejb/pom.xml
	wicket-ear/pom.xml
	wicket-ear/war/pom.xml
	wicket-war/pom.xml
Remove obsoleted OSGi and Wicket README.html files; rebuild quickstart table to remove them in the root README file
Bz1088178: Clarify instructions and fix formatting in jts-distributed-crash=rec quickstart
Bz1097788: Clarify h2-console deployment path instructions
Update javaee specs version for EAP 6.3.0.ER5