Annotation For xvfs-create

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

47dcf5fc27 2019-05-01    1: #! /usr/bin/env tclsh
47dcf5fc27 2019-05-01    2: 
47dcf5fc27 2019-05-01    3: set sourceDirectory [file dirname [file normalize [info script]]]
47dcf5fc27 2019-05-01    4: lappend auto_path [file join $sourceDirectory lib]
47dcf5fc27 2019-05-01    5: set template [file join xvfs.c.rvt]
47dcf5fc27 2019-05-01    6: 
47dcf5fc27 2019-05-01    7: package require minirivet
47dcf5fc27 2019-05-01    8: 
47dcf5fc27 2019-05-01    9: minirivet::parse $template