[sensu-em] use sensu-em 2.2.0 to stop installing jruby-openssl on jruby
[sensu-em] updated specs to work w/ rspec 3
Merge pull request #745 from portertech/sensu-em

Use sensu-em 2.2.0 to stop installing jruby-openssl on JRuby
[keepalive-handler] users can specify "keepalive" handler, default for keepalive events if it exists