Bump karaf from 3.0.5 to 3.0.8

Change-Id: Ic5bc130f5110f4ff9da6ec22d066a5dd3069288d
diff --git a/tools/test/bin/onos-check-bits b/tools/test/bin/onos-check-bits
index b111992..0978be9 100755
--- a/tools/test/bin/onos-check-bits
+++ b/tools/test/bin/onos-check-bits
@@ -27,7 +27,7 @@
   echo "ONOS archive does not contain the proper version file" && exit 1
 fi
 
-tar tzf ${ONOS_TAR} | grep -q apache-karaf-3.0.5
+tar tzf ${ONOS_TAR} | grep -q apache-karaf-3.0.8
 if [ $? -ne 0 ]; then
   echo "ONOS archive does not contain karaf" && exit 1
 fi