FIX for issue 915, added median, number of fails and number of zeros to dashboard
FIX for issue 915, updated with French translations
FIX for issue 915, created a migration for adding result statistics in assignments
FIX for issue 915, updated comments and restored encoding information
FIX for issue 915, cleanup with 80 line length max
Merge pull request #998 from m-wu/issue-915

Added median, number of fails and number of zeros to dashboard.
Closes #915
FIX for issue 938, added remark request count on dashboard
FIX for issue 938, updated with French translations
FIX for issue 938, cleanup with 80 line length max
Merge branch 'issue-938' of github.com:m-wu/Markus into issue-938

Conflicts:
	db/schema.rb