[phobos] [D-Programming-Language/phobos] 21221c: add upgrade hints

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 21221cf34aa22e11694b9978ac4fb6ce1ff1efc6
      https://github.com/D-Programming-Language/phobos/commit/21221cf34aa22e11694b9978ac4fb6ce1ff1efc6
  Author: Walter Bright <walter at walterbright.com>
  Date:   2014-11-30 (Sun, 30 Nov 2014)

  Changed paths:
    M std/path.d
    M std/random.d

  Log Message:
  -----------
  add upgrade hints


  Commit: 64d5a3a806cae9f26adddac4d60594f8dff34e79
      https://github.com/D-Programming-Language/phobos/commit/64d5a3a806cae9f26adddac4d60594f8dff34e79
  Author: H. S. Teoh <hsteoh at quickfur.ath.cx>
  Date:   2014-11-30 (Sun, 30 Nov 2014)

  Changed paths:
    M std/path.d
    M std/random.d

  Log Message:
  -----------
  Merge pull request #2777 from WalterBright/upgrade

add upgrade hints


Compare: https://github.com/D-Programming-Language/phobos/compare/5986e740873d...64d5a3a806ca