[phobos] [D-Programming-Language/phobos] 9b7ab1: Define isNaN deprecation for integers

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 9b7ab18faacbc8c850edb2b6ceb757539ac943dd
      https://github.com/D-Programming-Language/phobos/commit/9b7ab18faacbc8c850edb2b6ceb757539ac943dd
  Author: Iain Buclaw <ibuclaw at gdcproject.org>
  Date:   2014-07-26 (Sat, 26 Jul 2014)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  Define isNaN deprecation for integers

Also cleans isNaN unit tests


  Commit: b4f30ffa3dc10187b8015ae30ca36824e2534485
      https://github.com/D-Programming-Language/phobos/commit/b4f30ffa3dc10187b8015ae30ca36824e2534485
  Author: Dicebot <public at dicebot.lv>
  Date:   2014-07-26 (Sat, 26 Jul 2014)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  Add more integer isXXX deprecations

Also implementation is changed to forward to floating point signature
instead of a stub to exactly match old behaviour.


  Commit: 047d537b0c0e631ec0c538d2a44fca583438e8e5
      https://github.com/D-Programming-Language/phobos/commit/047d537b0c0e631ec0c538d2a44fca583438e8e5
  Author: AndrewEdwards <edwards.ac at gmail.com>
  Date:   2014-08-02 (Sat, 02 Aug 2014)

  Changed paths:
    M std/math.d

  Log Message:
  -----------
  Merge pull request #2374 from Dicebot/nan-deprecation

[reg] isNaN deprecation for integers


Compare: https://github.com/D-Programming-Language/phobos/compare/fe70d234aee5...047d537b0c0e