Define a TDMU grading method!
Merge branch 'mast_tdmu_quiz_grades' into mast_tdmu_all
Add flags images that works as links to a language selection
Merge branch 'mast_tdmu_langs_flags_btn' into mast_tdmu_all
Language flags pictures
Merge branch 'mast_tdmu_langs_flags_btn' into mast_tdmu_all