Steps:

1) create and install shadowvui.sav 

Start IDL and run 
	@start_shadowvui_windows.pro
mv /tmp/shadowvui.sav $XOP_HOME/extensions

2) create and install shadowvui_data.sav

Start IDL and run 
	@make_shadow_data.pro
mv /tmp/shadowvui_data.sav $XOP_HOME/extensions/shadowvui

3) create and install shadowvui_vui.sav 

Start IDL and run 
	@make_shadow_vui.pro
mv /tmp/shadowvui_vui.sav $XOP_HOME/extensions


4) Create and fill the directories:
	$XOP_HOME/extensions/shadowvui/data
	$XOP_HOME/extensions/shadowvui/workspaces
	$XOP_HOME/extensions/shadowvui/doc


