Add jruby to ci.
Add jruby to ci.

tinfoil/typhoeus,tompscanlan/typhoeus,kkirsche/typhoeus,nju520/typhoeus,EddyLuten/typhoeus,telekomatrix/typhoeus,typhoeus/typhoeus,bitgal/typhoeus,AvnerCohen/typhoeus,sportngin/typhoeus,PericlesTheo/typhoeus,nevans/typhoeus,t3hpr1m3/typhoeus,wcmonty/typhoeus,pravi/typhoeus