Add a port of the Benchmarks Game's "binary trees" benchmark.
Add a port of the Benchmarks Game's "binary trees" benchmark.

nuclearsandwich/mirah,KeenS/mirah,aspleenic/mirah,nuclearsandwich/mirah,KeenS/mirah,uujava/mirah,KeenS/mirah,uujava/mirah,KeenS/mirah,mirah/mirah,felixvf/mirah,uujava/mirah,mirah/mirah,mirah/mirah,aspleenic/mirah,felixvf/mirah,felixvf/mirah,aspleenic/mirah,mirah/mirah,uujava/mirah,felixvf/mirah,aspleenic/mirah,uujava/mirah,nuclearsandwich/mirah,aspleenic/mirah