JBDS doesn't suggest to add not included capabilities if user uses in code or DnD a component from JBoss Tools Pallete
Steps to reproduce:
1. EXECUTE: Create KickStart JSF project
2. EXECUTE: Open hello.jsp page and DnD from JBoss Tools Pallete <rich:calendar> component
3. ASSERT: <%@ taglib uri="http://richfaces.org/rich" prefix="rich"%> inserted by JBDS. But RichFaces capabilities are not available in the project.

It would be handy if JBDS suggests to add RichFaces capabilities after 2-nd step e.g.