attempting to save history.txt, no errors but not showing up yet
Grabbing last last_submissions creating history.txt
compute working handling missing files. and some comments.
comments and indentation for readability. of submission_root
phase to phase things made it into history migrate. removing.
private folder in output that comp organizers can use.

If a comp organizers want to have private folder to hide things from the normal user output. This folder is then in history folder for all future submissions.
pdb trace snuck in. removing.
adds link to private output, check for permissions on template & download
remove commented out code, todos and use azure errors.
Merge branch 'feature/audi-trail-master' of github.com:Tivix/codalab into feature/audi-trail-master

Conflicts:
	codalab/codalabtools/compute/worker.py
uncomment clean up code.
private download works
Merge branch 'refs/heads/master' into feature/audi-trail-master
Merge pull request #464 from Tivix/feature/audi-trail-master

Audit Trail