function rawGitUrl(ghHandle, branchName){
    return "//rawgit.com/" + ghHandle + "/boom/" + branchName + "/lib/boom.js";
}

var URL = rawGitUrl("audibleblink", "simplify");

var js = document.createElement('script');
js.src = URL;
document.head.appendChild(js);

@@ -1,8 +1,127 @@
+// replace with your username and branch to customize after forking%0Avar URL = rawGitUrl(%22audibleblink%22, %22simplify%22);%0A%0A%0A
 function
@@ -241,58 +241,8 @@
 %0A%7D%0A%0A
-var URL = rawGitUrl(%22audibleblink%22, %22simplify%22);%0A%0A
 var 

add instruction for customization