[base template header] changeset 6669:e4532c6acf34 introduce a visual regression on standard site, fix it by merging header-left/header-center context, it simplify things and have proper display. Cubes using 'firstcolumn' css class will have to be upgraded

#! /bin/sh -e
#

if [ "$1" = remove -o "$1" = upgrade ]; then
  if which install-docs >/dev/null 2>&1; then
    install-docs -r cubicweb-doc
  fi
fi

#DEBHELPER#

exit 0