* Increase some tls test timeout
* Fix TestUserValidator
* Change all tests to VMessAEAD
Old VMess MD5 tests will be rejected and fail in 2022
* Chore: auto format code
* Deprecate legacy VMess header with a planned decommission
* show legacy warning only once
Co-authored-by: Xiaokang Wang <xiaokangwang@outlook.com>
Co-authored-by: hmol233 <82594500+hmol233@users.noreply.github.com>