~ubuntu-branches/ubuntu/warty/dnprogs/warty

2 by Patrick Caulfield
* Fix signal handling in sethost so it doesn't die with an embarrassing
1
- Remove dead routes
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- Add routes based on incoming routing messages
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- Check outgoing routing messages are still correct
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- Cope with the node having more than one address
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- Cope with the node being in more than one area (or an area router)