Log Message:
Update security/erlang-fast_tls to 1.0.18.

- Do not report badly formed Client Hello as a TLS error
- Report meaningful error when SNI callback fails
- Add Server Name Indication support for server connections
- Libressl only offer pre 1.1 api even if it present version > 1.1
- Fix crash on Mac OS X High Sierra due to replacement of system
  OpenSSL with BoringSSL