CAMEL-6680: mvel compiles expression setting TCCL to classloader from mvel to improve OSGi compatability.
CAMEL-6681: Allow to configure lock mode on jpa consumer. Thanks to Bart De Neuter for the patch.

Conflicts:
	components/camel-jpa/src/main/java/org/apache/camel/component/jpa/JpaConsumer.java