Bump version to 4.0.0 (#733)

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "code-push",
-  "version": "3.1.5",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "code-push",
-  "version": "3.1.5",
+  "version": "4.0.0",
   "description": "Management SDK for the CodePush service",
   "main": "script/index.js",
   "types": "script/index.d.ts",

plugin.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" id="code-push" version="3.1.5">
+<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" id="code-push" version="4.0.0">
 	<name>CodePushAcquisition</name>
 	<description>CodePush Acquisition Plugin for Apache Cordova</description>
 	<license>MIT</license>