Fix bugs where project manager still uses callback style.

background.js

@@ -1,5 +1,5 @@
 /*
-The background process is responsible for opening Caret windows in response to 
+The background process is responsible for opening Caret windows in response to
 app launches, choosing a file in the Files app on Chrome OS, and external
 messages.
 */

js/ui/projectManager.js

@@ -336,7 +336,7 @@ define([
             if (!tab.file || tab.file.virtual) {
               return c(false);
             }
-            tab.file.getPath(function(err, p) {
+            tab.file.getPath().then(function(p) {
               if (p == path) {
                 sessions.setCurrent(tab);
                 found = true;
@@ -375,7 +375,7 @@ define([
         var file = new File();
         var watch = this.watchProjectFile.bind(this);
         var self = this;
-        file.open("save", function() {
+        file.open("save").then(function() {
           file.write(json);
           var id = file.retain();
           chrome.storage.local.set({retainedProject: id});

main.html

@@ -56,7 +56,6 @@
     </div>
     
     <script src="js/ace/ace.js"></script>
-    <script src="js/lib/promise-0.1.1.min.js"></script>
     <script data-main="./js/main.js" src="require.js"></script>
     
   </body>

manifest.json

@@ -1,7 +1,7 @@
 {
   "name": "Caret",
   "description": "Professional text editing for Chrome and Chrome OS",
-  "version": "1.4.4",
+  "version": "1.4.6",
   "manifest_version": 2,
   "icons": {
     "128": "icon-128.png"