Fixed case on ZeroClipboard, changed to zeroclipboard Fixes gskinner#98

Author: wdamien

js/RegExr.js

@@ -7,7 +7,7 @@ require('classlist-polyfill');
 require('./third-party/history.adapter.native.js');
 require('./third-party/history.js');
 
-window.ZeroClipboard = require('ZeroClipboard');
+window.ZeroClipboard = require('zeroclipboard');
 
 // Import some classes into a shared object, for use in the index.template.js
 var Utils = require('./utils/Utils');

js/views/ShareMenu.js

@@ -26,7 +26,7 @@ var Tracking = require('../Tracking');
 var TextUtils = require('../utils/TextUtils');
 var Utils = require('../utils/Utils');
 var ExpressionModel = require('../net/ExpressionModel');
-var ZeroClipboard = require('ZeroClipboard');
+var ZeroClipboard = require('zeroclipboard');
 
 var ShareMenu = function (element, docsView) {
 	this.initialize(element, docsView);