Refactoring

Removed browser fixes
Updated gulp to bypass native browser objects
Added source map for dist

example/index.html

@@ -9,6 +9,7 @@
 if (window.Promise === undefined) {
     window.Promise = ES6Promise.Promise;
 }
+
 var web3 = require('web3');
 
 //web3.setProvider(new web3.providers.QtProvider());