Added freebsd manuall installtion instructions

darcs-hash:20081130145220-58252-2c1fe5fef146efcecebc2f1ca8bc5c716b040caa
Imrove install procedures

darcs-hash:20081130074439-58252-6e40e802dccf03f5b0a74e4b46ec708c33c7a91f