[IMP] web.http: _load_addons load the addons in a reproducible way.

I believe there are potential circular imports that can break
because of openerp.modules.module ImportHook, but they are
deifficult to reproduce when the import order is not always
the same.

bzr revid: vmt@openerp.com-20121210140411-ranw3jc3mwu3ymty

addons/web/http.py

@@ -537,7 +537,7 @@ class Root(object):
         """
         statics = {}
         for addons_path in openerp.modules.module.ad_paths:
-            for module in os.listdir(addons_path):
+            for module in sorted(os.listdir(addons_path)):
                 if module not in addons_module:
                     manifest_path = os.path.join(addons_path, module, '__openerp__.py')
                     path_static = os.path.join(addons_path, module, 'static')