CAMEL-7909 camel-netty-http consumer need to close the connection if the response connection header is close

Conflicts:
	components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/DefaultNettyHttpBinding.java
	components/camel-netty-http/src/main/java/org/apache/camel/component/netty/http/handlers/HttpServerChannelHandler.java
CAMEL-7910 Netty {Client|Server}ChannelHandler need to pass the close and open event around
CAMEL-7920 Make sure the JAXB fallback converter is the last one loaded