Revert "Bring species_stats.pl into this module and remove the 'base pairs' stat"
Revert "Bring species_stats.pl into this module and remove the 'base pairs' stat"

This reverts commit 345b08d80fc871c3647b20366df04cbc49445ee2.

EnsemblGenomes/eg-web-parasite,EnsemblGenomes/eg-web-parasite,EnsemblGenomes/eg-web-parasite,EnsemblGenomes/eg-web-parasite