Bump up Karaf to 3.0.5

This commit bumps up karaf to 3.0.5.
This commit also bumps up the jetty to 8.1.18.v20150929.

Change-Id: I52849c38b535205db8c4e00e799b332f63b7e3f2
diff --git a/tools/package/deb/prerm b/tools/package/deb/prerm
index 2a1633d..269ad3d 100755
--- a/tools/package/deb/prerm
+++ b/tools/package/deb/prerm
@@ -14,7 +14,7 @@
 
 # Clean up onos runtime directories
 #      TODO don't hardcode karaf version
-rm -rf /opt/onos/apache-karaf-3.0.3/
+rm -rf /opt/onos/apache-karaf-3.0.5/
 rm -rf /opt/onos/var/*
 rm -rf /opt/onos/config
 rm -rf /opt/onos/options