Upgrade karaf to version 4.2.14

Change-Id: Ibfa72941a01fb8026513d39f5b3d5f2bb3dcc9d2
diff --git a/tools/package/onos_stage.py b/tools/package/onos_stage.py
index 9dc1973..7a48650 100755
--- a/tools/package/onos_stage.py
+++ b/tools/package/onos_stage.py
@@ -27,7 +27,7 @@
 
 written_files = set()
 now = time.time()
-karaf_version = "4.2.9"
+karaf_version = "4.2.14"
 karaf_system = "apache-karaf-" + karaf_version + "/system/"
 
 def addFile(tar, dest, file, file_size):