gem install aliyun-sdk failed

[oksep]

macOS rvm 使用 jruby-9.1.7.0

Building native extensions.  This could take a while...
ERROR:  Error installing aliyun-sdk:
	ERROR: Failed to build gem native extension.

    current directory: /Users/septenary/.rvm/gems/jruby-9.1.7.0/gems/aliyun-sdk-0.5.0/ext/crcx
/Users/septenary/.rvm/rubies/jruby-9.1.7.0/bin/jruby -r ./siteconf20170315-17307-3zyq9b.rb extconf.rb
creating Makefile

current directory: /Users/septenary/.rvm/gems/jruby-9.1.7.0/gems/aliyun-sdk-0.5.0/ext/crcx
make "DESTDIR=" clean

current directory: /Users/septenary/.rvm/gems/jruby-9.1.7.0/gems/aliyun-sdk-0.5.0/ext/crcx
make "DESTDIR="
make: *** No rule to make target `/Users/septenary/.rvm/rubies/jruby-9.1.7.0/lib/ruby/include/ruby/ruby.h', needed by `crc64_ecma.o'.  Stop.

make failed, exit code 2

Gem files will remain installed in /Users/septenary/.rvm/gems/jruby-9.1.7.0/gems/aliyun-sdk-0.5.0 for inspection.
Results logged to /Users/septenary/.rvm/gems/jruby-9.1.7.0/extensions/universal-java-1.8/2.3.0/aliyun-sdk-0.5.0/gem_make.out

[rockuw]

暂不支持jruby

[oksep]

@rockuw 求支持，暂时使用 aliyun-sdk 0.3.6

[hoenic07]

@Ryfthink @rockuw This PR adds JRuby support again #71