Validation of form for matching question (score, number of proposals/labels)
Drag and drop of passing question
Interface of passage matching question + exercice correction for matching question
Migrations for type matching
Merge composer/master
Migrations for type matching, delete fixtures
Interface of passage matching question, drag and drop
Revert "Interface of passage matching question, drag and drop"

This reverts commit 3c4a3c58b4c8b6544fe423a0ca67d73419c26eb6.
Merge composer/master
Interface of passage matching question, drag and drop
Interface of matching correction question
Encoding chevrons in proposals and in labels
Matching question edition, tinymce
Translation
Merge composer/master
Merge composer/master into qti2