Bump amber dev, release version 0.18.0.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "grunt-init-amber",
-  "version": "0.17.0",
+  "version": "0.18.0",
   "description": "grunt-init template for amber project",
   "main": "template.js",
   "scripts": {

template.js

@@ -156,7 +156,7 @@ exports.template = function (grunt, init, done) {
             "license": props.licenses,
             "private": false,
             "dependencies": {
-                "amber": "^0.17.0",
+                "amber": "^0.18.0",
                 "amber-compat-es2015": "^0.1.5",
                 "amber-contrib-jquery": "^0.2.0",
                 "amber-contrib-web": "^0.3.0",