Hashmap: Rename the abstract type parameter from `Vect` to `V`.
Hashmap: Rename the abstract type parameter from `Vect` to `V`.

steveklabnik/ncollide,sebcrozet/ncollide,MichaelRiss/ncollide,MichaelRiss/ncollide,sebcrozet/ncollide,steveklabnik/ncollide