Improved JMX handling on ActiveMQ broker for tests

Disabled jmx for tests that don't need to use it and also add
AvailablePortFinder to dinamically assing JMX connector port when
needed.
Disable the JMX by default in camel-sjms
CAMEL-7728 Setup the TCCL before create the instance from the BaseResolver
CAMEL-7615 Fixed the osgi itest failed tests of CxfProxyExampleTest
Using http4.3 API when running the osgi test of CXF
Revert httpclient4 version to 4.3.3 due to HTTPCLIENT-1478
Fix for CAMEL-7726 added property for camel-test-spring artifactId to Fix the test failures of spring4 profile
CAMEL-7731: fix typo
Start upgrading to pax-exam 3.4.  Bunch of tests failing, but they are failing with the old version as well.