Release 3.1.8
- Fix #494 the incorrect timezone adjustment
- Remove result release date from survey event view
- Extract only model,view and controller for i18n, fix #508
- Fix the issue that no event listed when user has dual roles
- Allow partial submission for rubric eval
- Add composer
- Change criteria comment field in evaluation_rubric_details to text
- Fix wrong calculation in grade API
- Fix missing student in eval when he/she has non student role