JBIDE-17750 - Bad location for javadoc in generated JAX-RS Resource
JBIDE-17078 - JAX-RS Problems doesn't appears after the JAX-RS Support is activated

Add the WST validator if missing in the project configuration when adding the JAX-RS nature
Perform a full validation when the '.project' file alone changed.
JBIDE-17752 - Code freeze for JBIDE 4.2.0.Beta3 / WebServices