[phobos] [dlang/phobos] 850092: Add badges to README

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 85009217687930bf573cd531234b387f5a4c1b10
      https://github.com/dlang/phobos/commit/85009217687930bf573cd531234b387f5a4c1b10
  Author: Sebastian Wilzbach <seb at wilzba.ch>
  Date:   2016-08-14 (Sun, 14 Aug 2016)

  Changed paths:
    M README.md

  Log Message:
  -----------
  Add badges to README


  Commit: c1816aecb2833e56d432b4904f80d3a674c73e2e
      https://github.com/dlang/phobos/commit/c1816aecb2833e56d432b4904f80d3a674c73e2e
  Author: Andrei Alexandrescu <andrei at erdani.com>
  Date:   2016-08-14 (Sun, 14 Aug 2016)

  Changed paths:
    M README.md

  Log Message:
  -----------
  Merge pull request #4728 from wilzbach/add-fancy-badges

Add badges to README


Compare: https://github.com/dlang/phobos/compare/30400700d632...c1816aecb283