Merge pull request #79 from babel/b7-alpha

make peerDep on babel-core v7, minimum node 4

Author: hzoo

.travis.yml

@@ -1,7 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - '5'
+  - '8'
+  - '6'
   - '4'
-  - '0.12'
-  - '0.10'

gruntfile.js

@@ -5,7 +5,7 @@ module.exports = function (grunt) {
 			compile: {
 				options: {
 					sourceMap: true,
-					presets: ['es2015']
+					presets: ['env']
 				},
 				files: {
 					'test/tmp/fixture-compiled.js': 'test/fixtures/fixture.js'