Added Alicloud functions

Various comments and quality of life things for SingleFile.

Improvements.  Still have outfile problem, but maybe it is connected to the string filename thing.  Starting to parse the text.

Close to finishing up the SingleFile.m case.  Maybe we should change some names.  But things are looking pretty good right now.  Ask TL why the bunny looks so HDR.  Is it supposed to?

To finish tonight.

Each user now has his own folder on the cloud bucket where redering results are stored. This prevents conflicts when two users run different jobs having the same recipe name. Otherwise minor code cleanup.