Commiting changes for thursday's challenge! - #1

…on to a class method

…manoid constructor to class with its prototype function refactored to a class method

…o a class method and Hero extends Humanoid

…Fn to class method for villain, Villain now extends Humanoid, changed all super() to end in semicolons not commas. prototype-refactor.js completed in 18 minutes

… methods as an extension of Person

… they are currently in global- may have to move them to Person. Expect trouble with Student.favSubjects.reduce

…ake objects and debug

…ed this as a param from class methods, added student object

…speak is working

…t but then undefined