engine: Enable AJP in development configuration

The AJP connector is not enabled in the development configuration (in
the standalone.xml file) and it is convenient for developers that want
to test the integration with the Apache web server in their development
workstations.

Change-Id: Ibb8d727441456b97fe5780e8703a6d99bb32d7b2
Signed-off-by: Juan Hernandez <juan.hernandez@redhat.com>