Tweaked packaging and related assets in preparation for Karaf 3.0.2
diff --git a/tools/build/envDefaults b/tools/build/envDefaults
index 9c17212..184ad33 100644
--- a/tools/build/envDefaults
+++ b/tools/build/envDefaults
@@ -5,8 +5,9 @@
 
 # M2 repository and Karaf gold bits
 export M2_REPO=${M2_REPO:-~/.m2/repository}
-export KARAF_ZIP=${KARAF_ZIP:-~/Downloads/apache-karaf-3.0.1.zip}
-export KARAF_TAR=${KARAF_TAR:-~/Downloads/apache-karaf-3.0.1.tar.gz}
+export KARAF_VERSION=${KARAF_VERSION:-3.0.1}
+export KARAF_ZIP=${KARAF_ZIP:-~/Downloads/apache-karaf-$KARAF_VERSION.zip}
+export KARAF_TAR=${KARAF_TAR:-~/Downloads/apache-karaf-$KARAF_VERSION.tar.gz}
 export KARAF_DIST=$(basename $KARAF_ZIP .zip)
 
 # Add ONOS-specific directories to the exectable PATH