1.0.29.4: still more MAKE-ARRAY work

1.0.29.4: still more MAKE-ARRAY work

* Re-order the three MAKE-ARRAY deftransform, so that the more
  specific ones are tried before the general one -- which allows stack
  allocation in more the remaining cases that used to fail (I don't
  know why I blamed VECTOR-FILL* for that before.)

* When constant splicing for initial-element in
  TRANSFORM-MAKE-ARRAY-VECTOR didn't quote it, leading to lossiness
  with symbols or lists as constant initial-elements. (Bug masked
  earlier by the mis-ordering of the deftransforms.)

* In the final leg of TRANSFORM-MAKE-ARRAY-VECTOR also eliminate the
  possible :INITIAL-ELEMENT keyword.

* When eliminating keywords from a MAKE-ARRAY call, don't flush the
  lvars before checking that all of them can be eliminated. (Also
  masked by the earlier mis-ordering.)