Function displaySpectra( label, locations )

Description:
Displays the files at the given locations in a spectrum viewer. Each file represents a single spectrum, but they will be displayed within the same viewer window.
Parameters:
label (String)
identifies the window in which the spectrum will be displayed
locations (array of String)
array of spectrum locations - may be filenames or URLs
Return Value (String):
short log message
Signature:
java.lang.String displaySpectra(java.lang.String, java.lang.String[])