[phobos] [dlang/installer] aebab0: support building previews for feature branches

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/installer
  Commit: aebab0a26b1fb26fd20998939de107fe6bea9c78
      https://github.com/dlang/installer/commit/aebab0a26b1fb26fd20998939de107fe6bea9c78
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-09-28 (Wed, 28 Sep 2016)

  Changed paths:
    M create_dmd_release/build_all.d

  Log Message:
  -----------
  support building previews for feature branches

- fallback to master if a feature branch does not
  exist in some of the dlang repos


  Commit: 844f0444d7c7dd11496bcbfdc67f51e02dc98dc8
      https://github.com/dlang/installer/commit/844f0444d7c7dd11496bcbfdc67f51e02dc98dc8
  Author: Martin Nowak <code at dawg.eu>
  Date:   2016-10-07 (Fri, 07 Oct 2016)

  Changed paths:
    M create_dmd_release/build_all.d

  Log Message:
  -----------
  Merge pull request #198 from MartinNowak/feature_branches

support building previews for feature branches


Compare: https://github.com/dlang/installer/compare/bdc1319a6ea1...844f0444d7c7