* tools/nettle-lfib-stream.c: New tool, which outputs a sequence

of pseudorandom (non-cryptographic) bytes, using Knuth's lagged
fibonacci generator.

Rev: src/nettle/tools/.cvsignore:1.3
Rev: src/nettle/tools/Makefile.am:1.6
Rev: src/nettle/tools/nettle-lfib-stream.c:1.1