[#1846] Add monitoring (events) to template rendering...

https://github.com/playframework/play1/pull/779#... JPQL queries and JPA operations.

See [this ticket](http://play.lighthouseapp.com/projects/57987-play-framework/tickets/1846-improve-the-monitoring-and-perfomance-report#ticket-1846-4)

Basically, it will help [profiling modules](https://github.com/PerfectCarl/play-profiler) to display database and rendering time

![Like this](https://raw.githubusercontent.com/PerfectCarl/play-profiler/master/documentation/manual/profiler-db-new.PNG)