Tweaked packaging and related assets in preparation for Karaf 3.0.2
diff --git a/tools/package/bin/onos-service b/tools/package/bin/onos-service
index 7c8850f..299cb9a 100755
--- a/tools/package/bin/onos-service
+++ b/tools/package/bin/onos-service
@@ -7,4 +7,4 @@
 export JAVA_OPTS="-Xms256M -Xmx2048M"
 
 cd /opt/onos
-/opt/onos/apache-karaf-3.0.1/bin/karaf "$@"
+/opt/onos/apache-karaf-$KARAF_VERSION/bin/karaf "$@"