update build.py (examples)

tools/build/build.py

@@ -170,10 +170,19 @@ def build_oxjs(downloads=False, geo=False):
             lambda x: 'Ox.%s/Ox.%s.js' % (x, x),
             ['Geo', 'Image', 'Unicode']
         )),
-        'examples': filter(
+        'examples': sorted(sum(map(
+            lambda x: filter(
+                lambda x: not re.search('/[._]', x),
+                map(
+                    lambda y: x + '/' + y,
+                    os.listdir(root_path + 'examples/' + x)
+                )
+            ),
+            filter(
                 lambda x: not re.search('^[._]', x),
                 os.listdir(root_path + 'examples/')
-        ),
+            )
+        ), [])),
         'readme': map(
             lambda x: {
                 'date': time.strftime(