added a requirements file.
adding the socket.io-client library.
adding code to have socket.io working.
added a devel server.
loggers configured.
complete a 3-way handshake on the client.
socket.io based connection between clients.
refactored requests url handling.
implemented crude DOM handling to reflect new requests in realtime.
allow to serialize models into pulp-only JSON objects.
serializing for JSON.
fix requests tables order.
using new serialized data in the js code.
animating the new rows.
animate text in the new request row.
added timeago() to the requests view.
Merge branch 'realtime-requests'