Fixes for compilation of Blink on VS2013

- Disable some math functions that are now part of the C runtime
- Add missing include of <algorithm> for std::max
- Disable optimization of dtoa code on VS2013. Upstream bug filed and
  fixed for next release.

NOTRY=true
R=abarth@chromium.org
BUG=288948

Review URL: https://codereview.chromium.org/27009003

git-svn-id: svn://svn.chromium.org/blink/trunk@159686 bbb929c8-8fbe-4397-9dbb-9b2b20218538