Better wording for declining an evaluation.
Added code for evaluating the quality of grades.
Added a grade in the task, and added a table to store run information.
Added information in the db directly on the runs used to compute the grades.
Improved the presentation of experimental grades.
Fixed bug that prevents rejecting the first review.
Fixed wording.
Added one more evaluation criterion for grades.
The research download also provides rank difference now.
GAE: fixed Firefox download issue.
GAE: replaced spaces with underscores in download, for unix.
Better wording for declining an evaluation.

Conflicts:

	controllers/queues.py
Added code for evaluating the quality of grades.
Added a grade in the task, and added a table to store run information.

Conflicts:

	models/db.py
Added information in the db directly on the runs used to compute the grades.
Improved the presentation of experimental grades.
Fixed bug that prevents rejecting the first review.
Fixed wording.
Added one more evaluation criterion for grades.
The research download also provides rank difference now.