[D-runtime] [D-Programming-Language/druntime] 675413: merge stable into master

[GitHub via D-runtime]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/druntime
  Commit: 67541346ff5109c91cf1a22ad2e0b52818020954
      https://github.com/D-Programming-Language/druntime/commit/67541346ff5109c91cf1a22ad2e0b52818020954
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-01-03 (Sun, 03 Jan 2016)

  Changed paths:
    M changelog.dd
    M src/core/time.d

  Log Message:
  -----------
  merge stable into master