Safely continue if deleting default_language fails before creating again.
Add software update link to overview page.
Tweak style and wording on software update page.
in coachreports/urls.py: use \w instead of \d for getting the test_id
Display more details about sync job status on device page.
Merge branch 'nalanda-rct2' of github.com:learningequality/ka-lite into nalanda-rct2