Sort images before displaying list.

os.listdir returns a file list in inode order, not alphabtical.

gallery.py

@@ -73,9 +73,9 @@ def send_thumb(tgt):
 @app.route('/')
 @app.route('/<path:tgt>')
 def view(tgt=''):
-    try: 
+    try:
         path = abspath(safe_join(base, tgt))
-        names = map(lambda s: s.decode(app.config['CHARSET']), os.listdir(path))
+        names = map(lambda s: s.decode(app.config['CHARSET']), sorted(os.listdir(path)))
         dirs = filter(lambda f: isdir(safe_join(path,f)), names)
         pics = filter(is_image, names)
         return render_template('main.html', dirs=dirs, pics=pics, path=tgt,