Update version

Author: mhegazy

package.json

@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "http://typescriptlang.org/",
-    "version": "2.3.0",
+    "version": "2.4.0",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [

src/compiler/core.ts

@@ -3,7 +3,7 @@
 
 namespace ts {
     /** The version of the TypeScript compiler release */
-    export const version = "2.3.0";
+    export const version = "2.4.0";
 }
 
 /* @internal */

src/services/shims.ts

@@ -1244,4 +1244,4 @@ namespace TypeScript.Services {
 // TODO: it should be moved into a namespace though.
 
 /* @internal */
-const toolsVersion = "2.3";
+const toolsVersion = "2.4";