feat(es2015-promise): Remove dep to es6-promise (#4)

Gruntfile.js

@@ -63,7 +63,9 @@ module.exports = function (grunt) {
         failOnTypeErrors: true
       },
       build: {
-        tsconfig: true,
+        tsconfig: {
+          passThrough: true
+        }
       },
     },
 

package.json

@@ -25,7 +25,6 @@
   },
   "devDependencies": {
     "@types/chai-as-promised": "0.0.29",
-    "@types/es6-promise": "0.0.32",
     "@types/estree": "0.0.34",
     "@types/lodash": "^4.14.37",
     "@types/mocha": "^2.2.32",

tsconfig.json

@@ -1,23 +1,27 @@
 {
-    "compilerOptions": {
-        "module": "commonjs",
-        "target": "es5",
-        "noImplicitAny": true,
-        "moduleResolution": "node",
-        "rootDir": ".",
-        "sourceMap": true,
-        "removeComments": false,
-        "declaration": true,
-        "forceConsistentCasingInFileNames": true,
-        "allowJs": false,
-        "noUnusedLocals": true,
-        "noImplicitReturns": true,
-        "strictNullChecks": true
-    },
-    "exclude": [
-        "node_modules",
-        "testResources",
-        "**/*.d.ts",
-        "*.d.ts"
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es5",
+    "noImplicitAny": true,
+    "moduleResolution": "node",
+    "rootDir": ".",
+    "sourceMap": true,
+    "removeComments": false,
+    "declaration": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowJs": false,
+    "noUnusedLocals": true,
+    "noImplicitReturns": true,
+    "strictNullChecks": true,
+    "lib": [
+      "es5",
+      "es2015.promise"
     ]
+  },
+  "exclude": [
+    "node_modules",
+    "testResources",
+    "**/*.d.ts",
+    "*.d.ts"
+  ]
 }