H5P.com Branching Scenario improvements

Here are the latest improvements to the H5P Branching Scenario

Setting for listing alternatives for branching questions in random order
For drill-down reports:
Teacher will now see when each student answered each question in the Branching Scenario report.
Include feedback for right and wrong answers(including image)
Include information about right and wrong answers
Fix keyboard users being stuck in dialog (HFP-3539)
Fix proceed button announced before content (HFP-3486)
Remove tabindex from the start screen image (HFP-3538)
Customize next button label per node