v1.0.4

1. add pki account support
2. fix isVerbose is always false for mq
3. fix decode the payload of hvm invoke directly
4. add ed25519 support
5. add operation for manage account life cycle
6. add simulate transaction processing code
7. fix fileMrg request's params lack of namespace
8. check account whether is null in fileUpdate and add the description of parameter judgment in docs
9. refactor pki account implementation and relative function