"JBIDE-15392 adding new api classes and test"

This reverts commit afcafe4d70a28a5b155b042246d886639cf93b03.

JBIDE-15392 - adding default replacement values for the string replacer
JBIDE-15491 - missed some refs
JBIDE-15495 - minor efficiency improvement to avoid workspace lock
JBIDE-15392 missed test update
Perform missing steps from http://wiki.eclipse.org/Minerva#Source to add org.jboss.tools.archives.scanner sources to Server update site
ConfigNameResolver test was not updated
JBIDE-15503 - update eap install for tests
Fixing DeploymentScannerAdditionsTest