Bump up travis CI jruby version to 9.0.5.0
Bump up travis CI jruby version to 9.0.5.0

jgebal/ruby-plsql,yahonda/ruby-plsql,rsim/ruby-plsql,yahonda/ruby-plsql,jgebal/ruby-plsql,jgebal/ruby-plsql,rsim/ruby-plsql