Merge pull request #3 from css-ch/feature/remove-docker-json-format

remove the multiline docker format regex

Author: pellmont

Dockerfile

@@ -12,4 +12,5 @@ RUN set -e \
 # - Include kube-system.conf after the configs of all other namespaces. 
 #   The original behaviour was to include kube-system.conf before all other namespaces.
 RUN set -e \
- && sed -i '/^#.*kube-system/,/^$/{H; d} ; /#.*namespace annotations/,/^$/{ /^$/G }' /templates/fluent.conf
+ && sed -i '/^#.*kube-system/,/^$/{H; d} ; /#.*namespace annotations/,/^$/{ /^$/G }' /templates/fluent.conf \
+ && sed -i '/format3/ s!/[|]!/|^!' /templates/kubernetes.conf