Added functionality to publish in stadard mode.

    local -r my_doc_top_level=${1}

    local -r my_publish_mode=${2}  

    local -r my_start_dir=$(pwd)

    cd ${doc_top_level}

    echo "doc_top_level = ${my_doc_top_level}"

    echo "my_publish_mode = ${my_publish_mode}"

    # PUBLISHDIR=${my_publish_dir} make clean && PUBLISHDIR=${my_publish_dir} make html 

    while true;do

        case ${my_publish_mode} in

            standard )

                echo "Publishing in standard mode"

                my_publish_dir=${NCP_TOP_LEVEL}/documentation/build

                PUBLISHDIR=${my_publish_dir} make clean && PUBLISHDIR=${my_publish_dir} make html 

                break;;

            gitlab-pages)

                echo "Publishes in gitlab-pages mode"

                break;;

            * ) 

                echo "Internal parsing error publishing mode. This publishing mode is not implemented."

                usage

                exit 1;;

        esac

    done

    cd ${my_start_dir}