Do not use AJAX for retrieving the list of binaries.

index.html

@@ -238,6 +238,7 @@ input[readonly] {
 }
 
 </style>
+<script src="bin/list.js"></script>
 <script src="libs/jquery-2.1.3.min.js"></script>
 <script src="libs/ace.js"></script>
 <script src="mode-solidity.js"></script>
@@ -297,23 +298,22 @@ input[readonly] {
 
         // ----------------- version selector-------------
 
-        $.get('bin/list.txt').then(function(versionList) {
-            $('option', '#versionSelector').remove();
-            $.each(versionList.split('\n'), function(i, file) {
-                if (file) {
+        // var soljsonSources is provided by bin/list.js
+        $('option', '#versionSelector').remove();
+        $.each(soljsonSources, function(i, file) {
+            if (file) {
                 var version = file.replace(/soljson-(.*).js/, "$1");
                 $('#versionSelector').append(new Option(version, file));
-                }
-            });
-            $('#versionSelector').change(function() {
-                Module = null;
-                compileJSON = null;
-                var script = document.createElement('script');
-                script.type = 'text/javascript';
-                script.src = 'bin/' + $('#versionSelector').val();
-                $('head').append(script);
-                onCompilerLoaded();
-            });
+            }
+        });
+        $('#versionSelector').change(function() {
+            Module = null;
+            compileJSON = null;
+            var script = document.createElement('script');
+            script.type = 'text/javascript';
+            script.src = 'bin/' + $('#versionSelector').val();
+            $('head').append(script);
+            onCompilerLoaded();
         });
         
         // ----------------- resizeable ui ---------------