Refactoring Transfer Modal (#3705)

* Better Token Select in Transfer > Details

* Better Autocomplete

* Crete MobX store for Transfer modal

* Remove unused var

* Update Webpack Conf

* Small changes...

* Optional gas in MethodDecoding + better input

* New Contract `getAll` method // TxList Row component

* Method Decoding selections

* Rename `getAll` to `getAllLogs`

js/src/util/nullable-proptype.js

@@ -16,6 +16,6 @@
 
 import { PropTypes } from 'react';
 
-export default function (type) {
+export default function nullableProptype (type) {
   return PropTypes.oneOfType([ PropTypes.oneOf([ null ]), type ]);
 }