Composite components should be recognized in jar-files and class folders inside META-INF/resources/

Within project, composite components are located in folder %Web-root%/resources. - That is supported by JBoss Tools.
But besides, composite components may be located in used by the project external jars and class folders in folder META-INF/resources. - That was implemented for jar files but not for class folders.
See http://community.jboss.org/message/583919#583919

JavaServerTM Faces Specification
2.6.1.2 Packaging Resources into the Classpath
For the default implementation, resources packaged in the classpath must reside under the JAR entry name:
META-INF/resources/<resourceIdentifier>