auth: added @LoginRequired() decorators for user/user_group views.

- not really a secirity issue but for consistency we should have them (also provides nicer redirects)

rhodecode/apps/admin/views/user_groups.py

@@ -51,6 +51,7 b' class AdminUserGroupsView(BaseAppView, D'
 
     # permission check in data loading of
     # `user_groups_list_data` via UserGroupList
+    @LoginRequired()
     @NotAnonymous()
     @view_config(
         route_name='user_groups', request_method='GET',
@@ -60,6 +61,7 b' class AdminUserGroupsView(BaseAppView, D'
         return self._get_template_context(c)
 
     # permission check inside
+    @LoginRequired()
     @NotAnonymous()
     @view_config(
         route_name='user_groups_data', request_method='GET',

rhodecode/apps/admin/views/users.py

@@ -69,6 +69,7 b' class AdminUsersView(BaseAppView, DataGr'
             # is a pyramid view
             raise HTTPFound('/')
 
+    @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='users', request_method='GET',
@@ -77,6 +78,7 b' class AdminUsersView(BaseAppView, DataGr'
         c = self.load_default_context()
         return self._get_template_context(c)
 
+    @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         # renderer defined below