增加page_name

GMPhobos/Classes/Phobos.m

@@ -230,6 +230,7 @@ static NSString *sdkVersion = @"110";
                            @"uuid": [PhobosUtil deviceId],
                            @"build_version_release": [[UIDevice currentDevice] systemVersion],
                            @"build_model": [UIDevice deviceVersion],
+                           @"page_name": self.visibleController.pageName
                            };
     [Phobos track:@"on_app_session_over" attributes:dict];
     [GMCache removeObjectAtDocumentPathWithkey:PhobosBeginTime];