Added Gulp.js for compiling SCSS stylesheets

node_modules/es6-symbol/lib/private/setup/standard-symbols.js

@@ -0,0 +1,34 @@
+"use strict";
+
+var d            = require("d")
+  , NativeSymbol = require("ext/global-this").Symbol;
+
+module.exports = function (SymbolPolyfill) {
+	return Object.defineProperties(SymbolPolyfill, {
+		// To ensure proper interoperability with other native functions (e.g. Array.from)
+		// fallback to eventual native implementation of given symbol
+		hasInstance: d(
+			"", (NativeSymbol && NativeSymbol.hasInstance) || SymbolPolyfill("hasInstance")
+		),
+		isConcatSpreadable: d(
+			"",
+			(NativeSymbol && NativeSymbol.isConcatSpreadable) ||
+				SymbolPolyfill("isConcatSpreadable")
+		),
+		iterator: d("", (NativeSymbol && NativeSymbol.iterator) || SymbolPolyfill("iterator")),
+		match: d("", (NativeSymbol && NativeSymbol.match) || SymbolPolyfill("match")),
+		replace: d("", (NativeSymbol && NativeSymbol.replace) || SymbolPolyfill("replace")),
+		search: d("", (NativeSymbol && NativeSymbol.search) || SymbolPolyfill("search")),
+		species: d("", (NativeSymbol && NativeSymbol.species) || SymbolPolyfill("species")),
+		split: d("", (NativeSymbol && NativeSymbol.split) || SymbolPolyfill("split")),
+		toPrimitive: d(
+			"", (NativeSymbol && NativeSymbol.toPrimitive) || SymbolPolyfill("toPrimitive")
+		),
+		toStringTag: d(
+			"", (NativeSymbol && NativeSymbol.toStringTag) || SymbolPolyfill("toStringTag")
+		),
+		unscopables: d(
+			"", (NativeSymbol && NativeSymbol.unscopables) || SymbolPolyfill("unscopables")
+		)
+	});
+};

node_modules/es6-symbol/lib/private/setup/symbol-registry.js

@@ -0,0 +1,23 @@
+"use strict";
+
+var d              = require("d")
+  , validateSymbol = require("../../../validate-symbol");
+
+var registry = Object.create(null);
+
+module.exports = function (SymbolPolyfill) {
+	return Object.defineProperties(SymbolPolyfill, {
+		for: d(function (key) {
+			if (registry[key]) return registry[key];
+			return (registry[key] = SymbolPolyfill(String(key)));
+		}),
+		keyFor: d(function (symbol) {
+			var key;
+			validateSymbol(symbol);
+			for (key in registry) {
+				if (registry[key] === symbol) return key;
+			}
+			return undefined;
+		})
+	});
+};