browserify: Added TcpTransport from NDN-On-Node.  Support getting shuffled hosts, etc.

Change-Id: I7ded076042f39021d00af31c407a0f5034d119a5
browserify: Added require and exports as needed to support Node.js.

Change-Id: I82dc9ee7d260bf353a601ddd9e6b295e5f77b4ec