SWC-708: way to re-launch tutorial (regardless of whether I have submitted anything or not).
SWC-708: on skip tutorial, when Submit To Challenge it should open the submission dialog.  But if learning about submission, then it should simply hide (and do nothing else)
Merge pull request #446 from jay-hodgson/SWC-708

SWC-708: way to re-launch tutorial (regardless of whether I have submitt...