Don't show test framework related views for students. They only

see the test results files drop-down in the results view.

Prepare 0.9.2 release.

Update Changelog file

This is Anton Braverman and Severin Gehwolf's fix for the submission …

…collection problem experienced by Karen Reid.

Release 0.9.0

Release 0.8.0

Release 0.7.1

Release 0.7.0

Release 0.6.3

Release 0.6.2