Bug 76887 [content assist] Template validation is case sensitive
Test case: Type SYS Ctrl-Space Type o You are left with no code completions. This differs from the code completion proposals where the prefix matching is not case sensitive. (note this is a problem in both the JDT TemplateProposal and the JFace text TemplateProposal)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/template/contentassist/TemplateProposal.java
ExceptionHandler.handle(e, shell, TemplateContentAssistMessages.getString("TemplateEvaluator.error.title"), null); 
	}
	/*
	 * @see IJavaCompletionProposal#getRelevance()
	 */
	public int getRelevance() {
		return fRelevance;
	}
	public void setRelevance(int relevance) {
		fRelevance= relevance;
	}
	
	public Template getTemplate() {
		return fTemplate;
	}
	/*
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getInformationControlCreator()
	 */
	public IInformationControlCreator getInformationControlCreator() {
		return new TemplateInformationControlCreator();
	}
	/*
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#selected(org.eclipse.jface.text.ITextViewer, boolean)
	 */
	public void selected(ITextViewer viewer, boolean smartToggle) {
	}
	/*
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#unselected(org.eclipse.jface.text.ITextViewer)
	 */
	public void unselected(ITextViewer viewer) {