If someone could have a look at:

https://github.com/hawkular/hawkular.github.io/pull/215  Hawkular Metrics doc fix
https://github.com/hawkular/hawkular.github.io/pull/217 Section about ptranslator
https://github.com/hawkular/hawkular.github.io/pull/219 Added Alerting to the getting started guide

I can merge after review