Global.Skinset (key, skins, context)
constructor function for Skinset objects used to build the constan SKINS

Sourcecode in Global/constants.js:
1:   function Skinset(key, skins, context) {
2:      this.key = key;
3:      this.skins = skins;
4:      this.context = context;
5:      this.children = [];
6:      this.add = function(obj) {
7:         this.children.push(obj);
8:      }
9:      return this;
10:  }