changes to alcaharvest runtime code to support new dropbox

The new dropbox expects a different metadata format for
uploaded payloads. TO produce that format the format of
the information returned in the analysis files section
in the framework job report has been changed. Make the
needed code changed to deal with that new format.
Merge pull request #4350 from hufnagel/newdropboxupload

changes to alcaharvest runtime code to support new dropbox