On disk cache using BDB

[Diego Woitasen]

Hi,
 If someone wants to have a look and test, I've implemented the
on-disk cache using BDB.  The cache is modular, now you can select
between on-memory cache or BDB. In the future we should have a better
on-disk cache implementation, may be using our own engine, but we can
discuss that later.

The code is here: https://github.com/diegows/wanproxy/commits/on-disk-cache

I have to test it better and requires a cleanup but it's working.

Feel free to comment, suggest or criticize :)

Regards,
 Diego

-- 
Diego Woitasen