Fix code coverage with ignore statements

Ignoring the UMD bundle and curry functions imported from @most/prelude.

Temporarily hard-coded for lack of an alternative.

flyd.js

@@ -1,11 +1,13 @@
 (function (global, factory) {
+  /* istanbul ignore next */ 
 	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
 	typeof define === 'function' && define.amd ? define('flyd', factory) :
 	(global.flyd = factory());
 }(this, (function () { 'use strict';
 
 /** @license MIT License (c) copyright 2010-2016 original author or authors */
 
+  /* istanbul ignore next */   
   // Non-mutating array operations
 
   // cons :: a -> [a] -> [a]
@@ -22,6 +24,7 @@
     return curried
   }
 
+  /* istanbul ignore next */
   // curry3 :: ((a, b, c) -> d) -> (a -> b -> c -> d)
   function curry3 (f) {
     function curried (a, b, c) { // eslint-disable-line complexity
@@ -670,8 +673,8 @@ function endStream(s) {
  * transducer stream transformer
  */
 function StreamTransformer() { }
-StreamTransformer.prototype['@@transducer/init'] = function() { };
-StreamTransformer.prototype['@@transducer/result'] = function() { };
+StreamTransformer.prototype['@@transducer/init'] = /* istanbul ignore next */ function() { };
+StreamTransformer.prototype['@@transducer/result'] = /* istanbul ignore next */ function() { };
 StreamTransformer.prototype['@@transducer/step'] = function(s, v) { return v; };
 
 return flyd;