Merge pull request #187 from Razzeee/improve-menus

Improve menus due to improvements in electron

src/browser/menus/context.js

@@ -7,19 +7,15 @@ const MenuItem = remote.MenuItem;
 var createDefault = function() {
   var menu = new Menu();
   menu.append(new MenuItem({
-    label: 'Cut',
     role: 'cut'
   }));
   menu.append(new MenuItem({
-    label: 'Copy',
     role: 'copy'
   }));
   menu.append(new MenuItem({
-    label: 'Paste',
     role: 'paste'
   }));
   menu.append(new MenuItem({
-    label: 'Select All',
     role: 'selectall'
   }));
   return menu;