only emit navigate event when loading a new page

lib/ComicBook.js

@@ -5,8 +5,7 @@
 
   Fo sho:
     - create onclose callback, show close button only if set
-    _ fix progress bar css
-    - only trigger navigate event on page change (not resize, etc.)
+    - fix progress bar css
     - fix manga mode
     - trigger preload if requesting valid but not loaded images (can happen if network was interupted)
     - loading and generally hackiness of pointer is buggy, fix.
@@ -23,7 +22,7 @@
     - refactor so we are not using all these loose shared variables and other nastyness
     - use custom event emitters instead of hacky code
     - properly bind 'this' so we don't have to keep using 'self'
-    - allow toolbar to be sticky
+    - allow toolbar to be hidden on mobile (maybe show a small translucent button that opens the toolbar when clicked)
 */
 
 var ComicBook = (function ($) {
@@ -577,7 +576,9 @@ var ComicBook = (function ($) {
         $('.navigate-right').hide();
       }
 
+      if (pointer !== getHash()){
         $(this).trigger('navigate');
+      }
 
       // update hash location
       if (getHash() !== pointer) {