Import Ruby/OpenSSL 2.1.0.beta2. The full commit log since commit
e72d960db262 which was imported by r60013 can be found at:

	https://github.com/ruby/openssl/compare/e72d960db262...v2.1.0.beta2

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Kazuki Yamaguchi (26):
      bn: use ALLOCV() macro instead of xmalloc()
      appveyor.yml: remove 'openssl version' line
      test/test_ssl_session: skip tests for session_remove_cb
      x509ext: implement X509::Extension#==
      x509attr: implement X509::Attribute#==
      x509cert: implement X509::Certificate#==
      x509revoked: add missing X509::Revoked#to_der
      x509crl, x509revoked: implement X509::{CRL,Revoked}#==
      x509req: implement X509::Request#==
      ssl: extract rb_intern("call")
      cipher: disallow setting AAD for non-AEAD ciphers
      test/test_cipher: fix test_non_aead_cipher_set_auth_data failure
      ssl: fix conflict of options in SSLContext#set_params
      buffering: let #write accept multiple arguments
      pkey: make pkey_check_public_key() non-static
      x509cert, x509crl, x509req, ns_spki: check sanity of public key
      test/envutil: port assert_warning from Ruby trunk
      test/utils: remove a pointless .public_key call in issue_cert
      ssl: add SSLContext#add_certificate
      test/test_ssl: fix test_security_level
      Drop support for LibreSSL 2.4
      kdf: add HKDF support
      test/test_x509cert: fix flaky test
      test/test_x509crl: fix random failure
      History.md: fix a typo
      Ruby/OpenSSL 2.1.0.beta2

Mark Wright (1):
      Fix build failure against OpenSSL 1.1 built with no-deprecated Thanks rhenium for the code review and fixes.

Peter Karman (1):
      Add RSA sign_pss() and verify_pss() methods

aeris (1):
      TLS Fallback Signaling Cipher Suite Value

kazu (1):
      Use caller with length to reduce unused strings

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e