Bug 53742 [templates] add different ui for linked mode depending on usage
Linked mode should allow to be configured programmatically to have a different ui. This would allow the instance that is setting up linked mode to determine how it will look like. Use case is auto-closing: the box is too disturbing there, while it may be good for more complex templates.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
String[] types= configuration.getConfiguredContentTypes(this);
			for (int i= 0; i < types.length; i++) {
				String[] prefixes= configuration.getIndentPrefixes(this, types[i]);
				if (prefixes != null && prefixes.length > 0)
					setIndentPrefixes(prefixes, types[i]);
			}
		}
		
		/*
		 * @see IWidgetTokenOwner#requestWidgetToken(IWidgetTokenKeeper)
		 */
		public boolean requestWidgetToken(IWidgetTokenKeeper requester) {
			if (WorkbenchHelp.isContextHelpDisplayed())
				return false;
			return super.requestWidgetToken(requester);
		}
		
		/*
		 * @see IWidgetTokenOwnerExtension#requestWidgetToken(IWidgetTokenKeeper, int)
		 * @since 3.0
		 */
		public boolean requestWidgetToken(IWidgetTokenKeeper requester, int priority) {
			if (WorkbenchHelp.isContextHelpDisplayed())
				return false;
			return super.requestWidgetToken(requester, priority);
		}
		/*
		 * @see org.eclipse.jface.text.source.ISourceViewer#configure(org.eclipse.jface.text.source.SourceViewerConfiguration)
		 */
		public void configure(SourceViewerConfiguration configuration) {