[D-runtime] [D-Programming-Language/druntime] d0f97e: Revert "Revert "DIP25: implement in druntime""

[GitHub via D-runtime]

  Branch: refs/heads/revert-1129-revert-1128-dip25
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: d0f97e603e504f65f11d992bf690a7738882e13a
      https://github.com/D-Programming-Language/druntime/commit/d0f97e603e504f65f11d992bf690a7738882e13a
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-01-28 (Wed, 28 Jan 2015)

  Changed paths:
    M posix.mak
    M src/core/runtime.d
    M src/core/sys/posix/signal.d
    M src/rt/util/utf.d
    M win32.mak
    M win64.mak

  Log Message:
  -----------
  Revert "Revert "DIP25: implement in druntime""