Fix up all places where we use random incorrect exit codes

[whyrusleeping]

There are a number of places where we use a random nonsense error code in an actorError in the VM. This causes some really hard to debug message failures.

Example places where this happens (thanks @arajasek ):

• lotus/chain/vm/invoker.go

  Line 141 in cad59b0

  aerr := aerrors.Absorb(err, 1, "failed to decode parameters")

• lotus/chain/vm/vm.go

  Line 525 in fe2da35

  return types.EmptyInt, aerrors.Absorb(err, 1, "failed to find actor")

• lotus/chain/actors/params.go

  Line 14 in ae634ef

  return nil, aerrors.Absorb(err, 1, "failed to encode parameter")

• lotus/chain/vm/runtime.go

  Line 123 in fe2da35

  aerr = aerrors.Newf(1, "spec actors failure: %s", r)

[magik6k]

No longer relevant in the FVM world