fix copy-paste error, all spxxx_to_jsval use lower case and add missing data structs getAttachment;
Merge pull request #5362 from ucchen/develop

closed #4037: fix copy-paste error, all spxxx_to_jsval use lower case;
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #5363 from CocosRobot/updategeneratedsubmodule_1392358937

[AUTO] : updating submodule reference to latest autogenerated bindings