Add spec as an alias for the specs Rake task.
Add spec as an alias for the specs Rake task.

spec is the standard name for RSpec Rake tasks, so this will eliminate some confusion.

thomthom/yard,ohai/yard,travis-repos/yard,alexdowad/yard,ohai/yard,amclain/yard,iankronquist/yard,jreinert/yard,jreinert/yard,ohai/yard,lsegal/yard,amclain/yard,iankronquist/yard,alexdowad/yard,jreinert/yard,lsegal/yard,herosky/yard,herosky/yard,alexdowad/yard,lsegal/yard,thomthom/yard,amclain/yard,iankronquist/yard,herosky/yard,travis-repos/yard,thomthom/yard