Add support for mappings with ports

This will ensure things don't break if openshift/origin#8490 is merged.

Author: elyscape

Dockerfile

@@ -4,5 +4,5 @@ FROM openshift/origin-haproxy-router
 # Second line locks map files with paths to match the beginning of the URI
 RUN sed -i \
   -e '/os_\(reencrypt\|http_be\|edge_http_\(redirect\|be\|expose\)\)\.map/ s/map_beg/map_reg/' \
-  -e 's/{{$cfg.Host}}{{$cfg.Path}} {{$idx}}/^&/' \
+  -e 's/^{{$cfg.Host}}.*{{$cfg.Path}}/^&/' \
   /var/lib/haproxy/conf/haproxy-config.template