Added Closure.js.  Put expressInterest in NDN.js.  Use it in ccnxProtocolService.js.
diff --git a/js/ccnxProtocol/modules/make-ndn-js.jsm.sh b/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
index 2c4209b..27749e3 100755
--- a/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
+++ b/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 cat ndn-js-header.txt \
+  ../../Closure.js emptyLine.txt \
   ../../NDN.js emptyLine.txt \
   ../../NDNSocketTransportService.js emptyLine.txt \
   ../../util/CCNProtocolDTags.js emptyLine.txt \