Bug 96924 [content assist] don't show templates in restricted situations
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/template/contentassist/TemplateProposal.java
private final Template fTemplate;
	private final TemplateContext fContext;
	private final Image fImage;
	private IRegion fRegion;
	private int fRelevance;
	private IRegion fSelectedRegion; 
	private String fDisplayString;
	/**
	 * Creates a template proposal with a template and its context.
	 *