LDEV-3265* the option to force answer a question in assessment is off by default* all checkboxes go next to the text rather than below* fixed import/export of QTI questions feature. it thrown exceptions when questions contain sequenceIds not 1,2,3 but rather with intervals (e.g. 1,3,4)* removed RequiredQuestionsDTO as it's appeared not to be used
LDEV-3171: Give a Monitor an option to remove learner's content from activities when moving him backwards in a sequence.Implementation of content-removing method for most of tools.