[Ns-developers] release update

[Mathieu Lacage]

> Current items still on the table for merging:
>   - the tag rework: maybe it can make it after ip-routing is in
>   - the virtual net device: gustavo, do you have interest in pushing
> this forward with the name change (TapNetDevice) suggested by tom ?
>   - other items I forgot ?

Two items I forgot:
  - timo's code: nakagami + phy rework
  - nicola's radiotap pcap output, waiting on intput from craig.

Mathieu