Use traefik 1.1.2.-windows-open release
Use traefik 1.1.2.-windows-open release

Signed-off-by: Stefan Scherer <2fe843265e65a9540d5df64f4bed2ee6b7ca283e@icloud.com>

StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows,StefanScherer/dockerfiles-windows