fix error in informational text of api call reset time tool-tip
custom loghandler now do exception
correct tooltip text
replace windowlistener with windownadapter
added top level comment and doc comment.
use the same progress reporter interface used by upload dialog to send file progress for download.
preference to get metadata without prompt when inventory from AWS isn't available
fix import
first pass at download UI improvement
 instead of hour-glass cursor show progress bar.
preference to get metadata without prompt when inventory from AWS isn't available