Bug 98472 New project wizard: second page remove from class path should ask for removal of folder when linked
RC1 - create a new project - switch to the second page - link in additional source observe: there is no way to unlink the addtional source We should offer to unlink the folder when the folder is removed from the build path again.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/newsourcepage/ClasspathModifierQueries.java
* Get the output location that was determined by the 
         * query for the project. Note that this output location 
         * does not have to be the same as the desired output location 
         * that is passed to the constructor.
         * 
         * This method is only intended to be called if <code>doQuery</code> 
         * has been executed successfully and had return <code>true</code> to 
         * indicate that changes were accepted.
         *
         *@return the effective output location
         */
        public abstract IPath getOutputLocation();
        
        /**
         * Find out wheter the project should be removed from the classpath 
         * or not.
         * 
         * This method is only intended to be called if <code>doQuery</code> 
         * has been executed successfully and had return <code>true</code> to 
         * indicate that changes were accepted.
         * 
         * @return <code>true</code> if the project should be removed from 
         * the classpath, <code>false</code> otherwise.
         */
        public abstract boolean removeProjectFromClasspath();
        
        /**
         * Query to get information about whether the project should be removed as
         * source folder and update build folder to <code>outputLocation</code>.
         *