Add jruby-9.1.8.0 support (http://jruby.org/2017/03/06/jruby-9-1-8-0)
Add jruby-9.1.8.0 support (http://jruby.org/2017/03/06/jruby-9-1-8-0)

mpalmer/puppet-module-ruby-build,dark-panda/ruby-build,nodenv/node-build,pongstr/node-build,znz/ruby-build,OiNutter/node-build,makandra/ruby-build,nirvdrum/ruby-build,rbenv/ruby-build,brigade/ruby-build,ryanfb/ruby-build,sstephenson/ruby-build,brigade/ruby-build,rbenv/ruby-build,jasonkarns/ruby-build,brigade/node-build,jeremy/ruby-build,mpalmer/puppet-module-ruby-build,dark-panda/ruby-build