Switch to building with OpenJDK 8 (#103)
Switch to building with OpenJDK 8 (#103)

Oracle JDK 8 is no longer available on Travis

Signed-off-by: Tim Ward <cfae1f6f48138eb7950b385e15b0c4a09464b9d3@paremus.com>
osgi/osgi.enroute,osgi/osgi.enroute