Add @since tags to newly added API

plugins/org.eclipse.tm.terminal.control/src/org/eclipse/tm/internal/terminal/control/ITerminalListener.java

@@ -37,6 +37,8 @@ public interface ITerminalListener {
 	 * NOTE: this does not include mouse selections
 	 * those are handled in separate MouseListeners
 	 * TODO should be unified
+	 * 
+	 * @since 4.1
 	 */
 	void setTerminalSelectionChanged();
 }

plugins/org.eclipse.tm.terminal.control/src/org/eclipse/tm/internal/terminal/textcanvas/TextCanvas.java

@@ -344,6 +344,9 @@ public class TextCanvas extends GridCanvas {
 		fCellCanvasModel.setSelectionAnchor(new Point(0,0));
 	}
 
+	/**
+	 * @since 4.1
+	 */
 	public void clearSelection() {
 		fCellCanvasModel.setSelection(-1,-1,-1,-1);
 	}

plugins/org.eclipse.tm.terminal.view.ui/src/org/eclipse/tm/terminal/view/ui/tabs/TabFolderManager.java

@@ -773,6 +773,8 @@ public class TabFolderManager extends PlatformObject implements ISelectionProvid
 	 * Fire the selection changed event with the terminal text!
 	 * to the registered listeners.
 	 * see also TerminalControlSelectionListener- mouseUp
+	 *
+	 * @since 4.1
 	 */
 	protected void fireTerminalSelectionChanged() {
 		updateStatusLine();