Enable Hibernate JMX mbeans by default for runtime monitoring of hibernate sessions and queries

According to https://vladmihalcea.com/hibernate-statistics-jmx/, we can enable hibernate JMX mbeans just by adding the following 2 properties in hibernate.cfg.xml:

<property name="hibernate.generate_statistics">true</property>
<property name="hibernate.jmx.enabled">true</property>

Tried it myself and it works, producing the following information (displayed with glowroot):