Add jruby-9.1.9.0

Add rbx 3.73, 3.74 and 3.75

ruby-build 20170405

Add JRuby 9.1.9.0 snapshot

ruby-build 20170322

Add definition for Ruby 2.3.4

Refer: https://www.ruby-lang.org/en/news/2017/03/30/ruby-2-3-4-released

Add definition for Ruby 2.2.7

Refer: https://www.ruby-lang.org/en/news/2017/03/28/ruby-2-2-7-released

Add definition for Ruby 2.4.1

Refer: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/80279

added build_package_enable_shared() for shared library control from d…

fix ordering for versions with different length patch number

rbx-3.70, rbx-3.71 and rbx-3.72

Fix instruction message and use llvm@3.7 for rbx build

But llvm@3.5 and llvm@3.6 are already removed from homebrew upstream.

Add jruby-9.1.8.0 support

Upgrade to OpenSSL 1.1.0e

Add test of FreeBSD-11.

gcc is installed on FreeBSD

The `configure` command for OpenSSL 1.1 doesn't support `no-krb5`
option, and `no-ssl2` option was deprecated.

Fixes https://github.com/rbenv/ruby-build/pull/1053#issuecomment-276666932

[Proposal] Use OpenSSL 1.1.0 for Ruby 2.4+

Upgrade to OpenSSL 1.0.2k