6.0.0

I'm extremely stupid and didn't commit as I go. To anyone reading this
I'm extremely sorry. A lot of these changes are very broad and I plan on
releasing Babel 6.0.0 today live on stage at Ember Camp London so I'm
afraid I couldn't wait. If you're ever in London I'll buy you a beer
(or assorted beverage!) to make up for it, also I'll kiss your feet and
give you a back massage, maybe.

packages/babylon/src/options.js

@@ -12,10 +12,12 @@ export const defaultOptions = {
   // When enabled, import/export statements are not constrained to
   // appearing at the top of the program.
   allowImportExportEverywhere: false,
-  plugins: {},
-  // Babel-specific options
-  features: {},
-  strictMode: null
+  // TODO
+  allowSuperOutsideMethod: false,
+  // An array of plugins to enable
+  plugins: [],
+  // TODO
+  strictMode: null,
 };
 
 // Interpret and default an options object