[facets] closes #1569459 (date-range facet with year < 1900) use lgc.date.ustrftime() and lgc.date.ticks2datetime to convert js date ticks and have a chance to handle dates with year < 1900.

#! /bin/sh -e
#

if [ "$1" = configure ]; then
  if which install-docs >/dev/null 2>&1; then
    install-docs -i /usr/share/doc-base/cubicweb-doc
  fi
fi


#DEBHELPER#

exit 0