MDL-40055 mod_assign: Replace add_to_log 'download all submissions'
MDL-40055 mod_assign: Replace add_to_log 'grant extension'
MDL-40055 mod_assign: Replace add_to_log 'lock submission'
MDL-40055 mod_assign: Replace add_to_log 'reveal identities'
MDL-40055 mod_assign: Replace add_to_log 'revert submission to draft'
MDL-40055 mod_assign: Replace add_to_log 'set marking allocation'
MDL-40055 mod_assign: Replace add_to_log 'set marking workflow state'
MDL-40055 mod_assign: Replace add_to_log 'submissioncopied'
MDL-40055 mod_assign: Replace add_to_log 'submission statement accepted'
MDL-40055 mod_assign: Replace add_to_log 'submit'
MDL-40055 mod_assign: Replace add_to_log 'unlock submission'
MDL-40055 mod_assign: Replace add_to_log 'grade submission'
MDL-40055 mod_assign: get_name() uses get_string() not lang_string
MDL-40055 mod_assign: Setting level according to new event constants