added colpick, string-named counterpart to the venerable cpick
added colpick, string-named counterpart to the venerable cpick

ksmaheshkumar/scripts-3,ksmaheshkumar/scripts-3,ksmaheshkumar/scripts-3,ksmaheshkumar/scripts-3,ksmaheshkumar/scripts-3,ksmaheshkumar/scripts-3