Annotation For xvfs-create

Origin for each line in xvfs-create from check-in 47dcf5fc27:

47dcf5fc27 2019-05-01        rkeene: #! /usr/bin/env tclsh
47dcf5fc27 2019-05-01        rkeene: 
47dcf5fc27 2019-05-01        rkeene: set sourceDirectory [file dirname [file normalize [info script]]]
47dcf5fc27 2019-05-01        rkeene: lappend auto_path [file join $sourceDirectory lib]
47dcf5fc27 2019-05-01        rkeene: set template [file join xvfs.c.rvt]
47dcf5fc27 2019-05-01        rkeene: 
47dcf5fc27 2019-05-01        rkeene: package require minirivet
47dcf5fc27 2019-05-01        rkeene: 
47dcf5fc27 2019-05-01        rkeene: minirivet::parse $template