Go vs. Scala vs. Erlang

I added Go benchmark to cppa-bechmarks.

Benchmark algorithm is described in libcppa blogpost. 

I've got results on 2 x Intel(R) Xeon(R) CPU E5620 @ 2.40GHz (16 cores):

Go: 17.87 seconds
Scala: 41.18 seconds
Erlang: 52.98 seconds