Updated D Benchmarks

[Robert Clipsham]

bearophile wrote:
> Robert Clipsham, eventually your site may become like this page (it may be slow to load, you may need to load it later too):
> http://sbcl.boinkor.net/bench/
> 
> It's also useful to see how performance evolves across versions, like a brother of bugzilla, to spot performance bugs.
> 
> Bye,
> bearophile

This looks like the way to go for the benchmarks. When I've added all 
the tests people have sent me and added a reference C++ result I will 
put the results file under revision control with the rest of the source 
code and set up a script to generate graphs to show results over time.