Bug 6062 JavaDocCompletionProcessor should be have configurable case sensitivity
Need implementation of the following JavaDocCompletionProcessor method public void restrictProposalsToMatchingCases(boolean restrict.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/javadoc/JavaDocCompletionProcessor.java
private static class CompletionProposalComparator implements Comparator {
		public int compare(Object o1, Object o2) {
			ICompletionProposal c1= (ICompletionProposal) o1;
			ICompletionProposal c2= (ICompletionProposal) o2;
			return c1.getDisplayString().compareTo(c2.getDisplayString());
		}
	};
	
	private IEditorPart fEditor;
	private IWorkingCopyManager fManager;
	private char[] fProposalAutoActivationSet;