Refactor and simplify JUnit test cases for camel-jcr

Signed-off-by: Gregor Zurowski <gregor@zurowski.org>
upgrade woodstox 4.2.0 to 4.2.1
CAMEL-7323: createRouteStatisticEndpointJson - Returns invalid json if no routes
upgrade avro 1.7.5 to 1.7.6
Merge branch 'CAMEL-7321' of https://github.com/gzurowski/camel
CAMEL-7328: A minor refactoring in camel-ahc so that it can be reused for websocket client
CAMEL-7316: refactor camel-ws using the refactored camel-ahc
upgrade stax2 3.1.1 to 3.1.4 (ref woodstox)
update karaf feature for CAMEL-7316
CAMEL-7326: Add Eclipse m2e lifecycle mappings

Signed-off-by: Gregor Zurowski <gregor@zurowski.org>
Merge branch 'RefactorUnitTests' of https://github.com/gzurowski/camel
Upgraded RX