fix(build): update linting, testing and tools

.eslintrc

@@ -0,0 +1,3 @@
+{
+  "extends": "./node_modules/aurelia-tools/.eslintrc"
+}

build/tasks/lint.js

@@ -1,10 +1,10 @@
 var gulp = require('gulp');
 var paths = require('../paths');
-var jshint = require('gulp-jshint');
-var stylish = require('jshint-stylish');
+var eslint = require('gulp-eslint');
 
 gulp.task('lint', function() {
   return gulp.src(paths.source)
-    .pipe(jshint())
-    .pipe(jshint.reporter(stylish));
+    .pipe(eslint())
+    .pipe(eslint.format())
+    .pipe(eslint.failOnError());
 });

config.js

@@ -1,21 +1,19 @@
 System.config({
-  "transpiler": "babel",
-  "babelOptions": {
+  defaultJSExtensions: true,
+  transpiler: "babel",
+  babelOptions: {
     "optional": [
       "runtime",
       "es7.decorators"
     ]
   },
-  "paths": {
-    "*": "*.js",
-    "github:*": "jspm_packages/github/*.js",
-    "aurelia-templating/*": "dist/*.js",
-    "npm:*": "jspm_packages/npm/*.js"
-  }
-});
+  paths: {
+    "github:*": "jspm_packages/github/*",
+    "aurelia-templating/*": "dist/*",
+    "npm:*": "jspm_packages/npm/*"
+  },
 
-System.config({
-  "map": {
+  map: {
     "aurelia-binding": "github:aurelia/[email protected]",
     "aurelia-dependency-injection": "github:aurelia/[email protected]",
     "aurelia-html-template-element": "github:aurelia/[email protected]",
@@ -26,7 +24,7 @@ System.config({
     "aurelia-task-queue": "github:aurelia/[email protected]",
     "babel": "npm:[email protected]",
     "babel-runtime": "npm:[email protected]",
-    "core-js": "npm:core-js@0.9.18",
+    "core-js": "npm:core-js@1.1.3",
     "github:aurelia/[email protected]": {
       "aurelia-dependency-injection": "github:aurelia/[email protected]",
       "aurelia-metadata": "github:aurelia/[email protected]",
@@ -55,7 +53,11 @@ System.config({
       "fs": "github:jspm/[email protected]",
       "process": "github:jspm/[email protected]",
       "systemjs-json": "github:systemjs/[email protected]"
+    },
+    "npm:[email protected]": {
+      "fs": "github:jspm/[email protected]",
+      "process": "github:jspm/[email protected]",
+      "systemjs-json": "github:systemjs/[email protected]"
     }
   }
 });
-