Function splatMulti( label, locs )

Description:
Generic routine for displaying multiple spectra simultaneously in the same SPLAT plot.
Parameters:
label (String)
identifies the window in which the spectra will be displayed
locs (array of String)
array of spectrum locations (file, or in some cases URL)
Return Value (String):
short report message
Signature:
String splatMulti(String, String[])