Upgrade HornetQ to 2.4.0

HornetQ depends on Netty 4 which has changed its package from
org.jboss.netty to io.netty

add io.netty module for Netty 4.x and keep org.jboss.netty module for
Netty 3.x

remove servlet-connector resource that was using Netty 3.x HTTP
tunneling Servlet and was added a workaround until HornetQ support
one-port to be accessible over HTTP

add max-saved-replicated-journal-size to hornetq-server resource

add group-timeout & reaper-period to grouping-handler resource