6

* Remove floor divison in scale_fac (Riya Jain)
* Correct indentation of if condition of help button action (Riya Jain)
* Help button action condition pep8 compliant (Riya Jain)
* change division to floor division (Riya Jain)
* Redesigned welcomescreen and added help button (Riya Jain)
* Update sugargame to fix arrow key (Dimitris Mylonas)
