Updated Class 1 homework problems to match new slides
Updated Class 1 homework problems to match new slides

Moved all questions about functions to class 2, added new basic and
challenge question on variables

amandagogogo/gdicincy-intro-js,Roenok/gdi-intro-javascript,girldevelopit/gdi-featured-js-intro,anythingcodes/gdi-featured-js-intro,girldevelopit/gdi-featured-js-intro,jennifer-mann/gdi-intro-javascript,jennifer-mann/gdi-intro-javascript,anythingcodes/gdi-featured-js-intro,gdirdu/gdi-intro-javascript,amandagogogo/gdicincy-intro-js,Roenok/gdi-intro-javascript,gdirdu/gdi-intro-javascript