Loading fix

[bmatusiak]

i use nwjs.. this is a mix of browser+nodejs

this PR fixes some loading of gun for that.

introducing a new look to exporting plugin modules that looks like this.

(function(name, exports){
  if(typeof window !== "undefined"){
    window[name] = window[name]||exports;
  } 
  try{ module.exports = exports }catch(e){}
})("Radix",Radix);

[amark]

sexy!