Stable build - bugs

1) Using new dataset

2) Red font in the last 15 s [Done]

3) Change the label to difficult than tough. [Done]

4) Bug in save [Done]

5) The flow I expect after I change a setting is to render a new movie
based on that category, which is not the current case/the other
suggestion was once user hits save just bring him back to play -
[Implemented the latter]