[phobos] [D-Programming-Language/phobos] 27e63b: Update changelog.dd

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 27e63ba85dd0a7dd75ce86b3975dc476cf604b28
      https://github.com/D-Programming-Language/phobos/commit/27e63ba85dd0a7dd75ce86b3975dc476cf604b28
  Author: Jack Stouffer <jack at jackstouffer.com>
  Date:   2016-04-11 (Mon, 11 Apr 2016)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  Update changelog.dd


  Commit: 4547f8cad737ca233a4f4f3a898017b14e5a5cc2
      https://github.com/D-Programming-Language/phobos/commit/4547f8cad737ca233a4f4f3a898017b14e5a5cc2
  Author: David Nadlinger <code at klickverbot.at>
  Date:   2016-04-12 (Tue, 12 Apr 2016)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  Merge pull request #4184 from JackStouffer/patch-5

Document std.uni optimizations in the change log


Compare: https://github.com/D-Programming-Language/phobos/compare/7988eae1d145...4547f8cad737