[phobos] [dlang/phobos] 6d04ea: restore accidentally deleted "swapAt"

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 6d04ea64c105b2df7b2906dd69fde8e53dbfa5e1
      https://github.com/dlang/phobos/commit/6d04ea64c105b2df7b2906dd69fde8e53dbfa5e1
  Author: anonymous <aG0aep6G at users.noreply.github.com>
  Date:   2016-04-30 (Sat, 30 Apr 2016)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  restore accidentally deleted "swapAt"

Accidentally deleted in 7d332592590f83573ff6d7729391557e69cdb021.


  Commit: cfe0070d8e9df77a3d4857b75c941e2b1234dd3a
      https://github.com/dlang/phobos/commit/cfe0070d8e9df77a3d4857b75c941e2b1234dd3a
  Author: Dmitry Olshansky <dmitry.olsh at gmail.com>
  Date:   2016-05-01 (Sun, 01 May 2016)

  Changed paths:
    M changelog.dd

  Log Message:
  -----------
  Merge pull request #4270 from aG0aep6G/restore-swapAt

restore accidentally deleted "swapAt"


Compare: https://github.com/dlang/phobos/compare/f6f61f971062...cfe0070d8e9d