qna-v1.0.0-alpha3
* use tfhub model url for loading and updated the version * point vocab file to tfhub, update the package.json * check for fromTFHub flag of modelConfig param * add note for enable utf-8 for the page
* use tfhub model url for loading and updated the version * point vocab file to tfhub, update the package.json * check for fromTFHub flag of modelConfig param * add note for enable utf-8 for the page