Added MimeTypes.js, based on Ubuntu /etc/mime.types, to get the contentType based on the filename extension.
diff --git a/js/ccnxProtocol/modules/make-ndn-js.jsm.sh b/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
index 27749e3..dbead82 100755
--- a/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
+++ b/js/ccnxProtocol/modules/make-ndn-js.jsm.sh
@@ -18,6 +18,7 @@
   ../../encoding/BinaryXMLDecoder.js emptyLine.txt \
   ../../encoding/BinaryXMLStructureDecoder.js emptyLine.txt \
   ../../encoding/DataUtils.js emptyLine.txt \
+  ../../encoding/MimeTypes.js emptyLine.txt \
   ../../encoding/EncodingUtils.js emptyLine.txt \
   ../../security/KeyManager.js emptyLine.txt \
   ../../securityLib/sha1.js emptyLine.txt \