Conform packaging file and apply Apache 2.0 license as we've made non…

…-trivial changes to this work.

Correctness of Apache license being a superset of MIT nicely summarised here:
https://opensource.stackexchange.com/a/7391

LICENSE

@@ -1,3 +1,19 @@
+Copyright 2019-2020 Ably Real-time Ltd (ably.com)
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+--
+
 MIT License
 
 Copyright (c) 2016 William MacDonald

package.json

@@ -1,28 +1,28 @@
 {
   "name": "@ably/vcdiff-decoder",
   "version": "1.0.2",
-  "description": "Pure JavaScript vcdiff decoder that works with binary deltas from Google's open-vcdiff",
+  "description": "Pure JavaScript Vcdiff decoder that works with binary deltas from Google's open-vcdiff",
+  "license": "Apache-2.0",
+  "homepage": "https://ably.io/",
   "main": "lib/vcdiff_decoder.js",
   "scripts": {
-    "grunt": "./node_modules/grunt-cli/bin/grunt",
-    "test": "./node_modules/grunt-cli/bin/grunt test:all"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/ably-forks/vcdiff-decoder.git"
+    "grunt": "grunt",
+    "test": "grunt test:all"
   },
+  "repository": "ably-forks/vcdiff-decoder.git",
   "keywords": [
-    "sdch",
     "delta",
-    "cache",
     "decoding",
-    "compression"
+    "decoder",
+    "compression",
+    "Vcdiff",
+    "diff"
   ],
-  "author": "William MacDonald",
+  "author": "Ably Real-time Ltd <[email protected]>",
   "contributors": [
+    "William MacDonald",
     "Tsviatko Yovtchev <[email protected]> (https://codemerx.com)"
   ],
-  "license": "MIT",
   "bugs": {
     "url": "https://github.com/ably-forks/vcdiff-decoder/issues"
   },
@@ -52,6 +52,5 @@
     "vcdiff": "baranov1ch/node-vcdiff",
     "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11"
-  },
-  "homepage": "https://github.com/ably-forks/vcdiff-decoder"
+  }
 }