Rename worker script file

js/key_worker.js

@@ -27,7 +27,7 @@
 *
 *  Example usage:
 *
-    var myWorker = new Worker('/js/generate_keys.js');
+    var myWorker = new Worker('/js/key_worker.js');
     myWorker.onmessage = function(e) {
         switch(e.data.method) {
             case 'set':

js/options.js

@@ -73,7 +73,7 @@
                                 window.textsecure.registerSecondDevice(provisionMessage).then(function() {
                                     $('.progress-dialog .status').text('Generating keys...');
                                     var counter = 0;
-                                    var myWorker = new Worker('/js/generate_keys.js');
+                                    var myWorker = new Worker('/js/key_worker.js');
                                     myWorker.postMessage({
                                         maxPreKeyId: textsecure.storage.get("maxPreKeyId", 0),
                                         signedKeyId: textsecure.storage.get("signedKeyId", 0),