Update copyright

addons/xterm-addon-ligatures/src/font.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
 import * as fontFinder from 'font-finder';
 import * as fontLigatures from 'font-ligatures';
 

addons/xterm-addon-ligatures/src/index.test.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
 import * as path from 'path';
 import * as sinon from 'sinon';
 import { assert } from 'chai';

addons/xterm-addon-ligatures/src/index.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
 import { Terminal } from 'xterm';
 import { Font } from 'font-ligatures';
 

addons/xterm-addon-ligatures/src/parse.test.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
 import { assert } from 'chai';
 
 import parse from './parse';

addons/xterm-addon-ligatures/src/parse.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
 interface IParseContext {
   input: string;
   offset: number;

addons/xterm-addon-ligatures/typings/xterm-addon-ligatures.d.ts

@@ -1,4 +1,5 @@
 /**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
  * @license MIT
  *
  * This contains the type declarations for the xterm-addon-ligatures library.
@@ -7,7 +8,7 @@
  * which is intended to be stable and consumed by external programs.
  */
 
-import { Terminal, ILinkMatcherOptions, ITerminalAddon } from 'xterm';
+import { Terminal, ITerminalAddon } from 'xterm';
 
 declare module 'xterm-addon-ligatures' {
   /**