Polyfill comment updates

polyfills/console-minimal.js

@@ -1,3 +1,7 @@
+/*
+ *  Minimal console.log() polyfill
+ */
+
 if (typeof console === 'undefined') {
     Object.defineProperty(this, 'console', {
         value: {}, writable: true, enumerable: false, configurable: true

polyfills/object-prototype-definegetter.js

@@ -1,3 +1,7 @@
+/*
+ *  Object.prototype.__defineGetter__ polyfill
+ */
+
 if (typeof Object.prototype.__defineGetter__ === 'undefined') {
     Object.defineProperty(Object.prototype, '__defineGetter__', {
         value: function (n, f) {

polyfills/object-prototype-definesetter.js

@@ -1,3 +1,7 @@
+/*
+ *  Object.prototype.__defineSetter__ polyfill
+ */
+
 if (typeof Object.prototype.__defineSetter__ === 'undefined') {
     Object.defineProperty(Object.prototype, '__defineSetter__', {
         value: function (n, f) {

polyfills/performance-now.js

@@ -1,5 +1,5 @@
 /*
- *  Performance.now()
+ *  Performance.now() polyfill
  *
  *  http://www.w3.org/TR/hr-time/#sec-high-resolution-time
  *

polyfills/regexp-prototype-compile.js

@@ -1,5 +1,5 @@
 /*
- *  RegExp.prototype.compile(), described in E6 Annex B:
+ *  RegExp.prototype.compile() polyfill, described in E6 Annex B:
  *
  *    https://people.mozilla.org/~jorendorff/es6-draft.html#sec-regexp.prototype.compile
  *