Merge branch 'master' of dgt-gitlab.gsc.riken.jp:tom/cellranger_convert into kai

#####usage statement#####

## detect shell across different OS

if [[ $VENDOR != "apple" ]]

    then

if [[ -z $VENDOR ]]; then

   if [[ $(uname -a | grep "[Mm]ac") ]]; then

       VENDOR="apple"

   else

       VENDOR="linux"

   fi

fi

if [[ $VENDOR != "apple" ]]; then

    SHELL=$(readlink -f /proc/$$/exe | cut -d'/' -f3)

else

    SHELL=$(ps -p $$ | awk '$1 == PP {print $4}' PP=$$)

fi

## detect how called (e.g., bash converrt.sh or ./launch_universc.sh)

if [[ $(which launch_universc.sh) != *"not found" ]]

    then

if [[ $(which launch_universc.sh) == *"/"* ]]; then

    SHELL=''

    invocation=$0

else

    if [[ -z $ZSH_VERSION ]]

        then

    if [[ -z $ZSH_VERSION ]]; then

        SHELL="zsh"

    elif [[ -z $KSH_VERSION ]]

       then

    elif [[ -z $KSH_VERSION ]]; then

       SHELL="ksh"

    elif [[ -z $FISH_VERSION ]]

       then

    elif [[ -z $FISH_VERSION ]]; then

       SHELL="fish"

    elif [[ -z $BASH_VERSION ]]

        then

    elif [[ -z $BASH_VERSION ]]; then

        SHELL="bash"

    else

       SHELL=$SHELL