[perl6/specs] a02e2e: Parameter trait "is ref" is now "is parcel"

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: a02e2e1d48a4a2f8694d5767cfe8e7b4f95491fd
      
https://github.com/perl6/specs/commit/a02e2e1d48a4a2f8694d5767cfe8e7b4f95491fd
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2013-09-02 (Mon, 02 Sep 2013)

  Changed paths:
    M S06-routines.pod

  Log Message:
  -----------
  Parameter trait "is ref" is now "is parcel"