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
*/	
	public TemplateProposal(Template template, TemplateContext context, IRegion region, Image image) {
		Assert.isNotNull(template);
		Assert.isNotNull(context);
		Assert.isNotNull(region);
		
		fTemplate= template;
		fContext= context;
		fImage= image;
		fRegion= region;
		
		fDisplayString= null;
		
		if (context instanceof JavaContext) {
			switch (((JavaContext) context).getCharacterBeforeStart()) {
			
			case ' ':
			case '\r':
			case '\n':
			case '\t':
				fRelevance= 90;
				break;
			default:
				fRelevance= 0;
			}
		} else {
			fRelevance= 90;			
		}		
	}
	/*