[phobos] please stop committing while in beta

[Walter Bright]

unless they are beta fixes. Now I gotta run everything again.

Merge made by recursive.
  std/algorithm.d   |    2 +-
  std/concurrency.d |    2 +-
  std/conv.d        |    2 +-
  std/ctype.d       |   32 ++++++++++++++++----------------
  std/datetime.d    |    6 +++---
  std/string.d      |   50 +++++++++++++++++++++++++-------------------------
  std/uni.d         |   10 +++++-----
  7 files changed, 52 insertions(+), 52 deletions(-)