GitLab

c++11: Add discussion thread links, ban things that don't work with MSVS.

Namely, ban __func__, constexpr, u"asdf", and char16_t.

BUG=none
R=jamesr@chromium.org

Review URL: https://codereview.chromium.org/603043002

Cr-Commit-Position: refs/heads/master@{#296739}