[vector] Vector.speciesInstance -> Vector.species

[Paul Sandoz]

Hi,

Vector.speciesInstance and Vector.preferredSpeciesInstance are a bit of a mouthful, as John pointed out to me. I propose we change ‘em to species and preferredSpecies, respectfully:

  http://cr.openjdk.java.net/~psandoz/panama/static-species-method/webrev/ <http://cr.openjdk.java.net/~psandoz/panama/static-species-method/webrev/>

Thanks,
Paul.