Merge branch 'master' into top-secret

# Conflicts:
#	packages/babylon/src/options.js
#	src/acorn/plugins/flow.js
#	src/acorn/src/util.js

test/core/fixtures/transformation/es6.classes-loose/method-order/actual.js

@@ -0,0 +1,11 @@
+class Foo {}
+
+class Bar extends Foo {
+  methodA(){}
+
+  constructor(){
+    super();
+  }
+
+  methodB(){}
+}

test/core/fixtures/transformation/es6.classes-loose/method-order/expected.js

@@ -0,0 +1,21 @@
+"use strict";
+
+var Foo = function Foo() {
+  babelHelpers.classCallCheck(this, Foo);
+};
+
+var Bar = (function (_Foo) {
+  babelHelpers.inherits(Bar, _Foo);
+
+  Bar.prototype.methodA = function methodA() {};
+
+  function Bar() {
+    babelHelpers.classCallCheck(this, Bar);
+
+    _Foo.call(this);
+  }
+
+  Bar.prototype.methodB = function methodB() {};
+
+  return Bar;
+})(Foo);