added whole system from ola4doc

sys/node_modules/es5-ext/math/sinh/shim.js

@@ -0,0 +1,17 @@
+// Parts of implementation taken from es6-shim project
+// See: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js
+
+'use strict';
+
+var expm1 = require('../expm1')
+
+  , abs = Math.abs, exp = Math.exp, e = Math.E;
+
+module.exports = function (x) {
+	if (isNaN(x)) return NaN;
+	x = Number(x);
+	if (x === 0) return x;
+	if (!isFinite(x)) return x;
+	if (abs(x) < 1) return (expm1(x) - expm1(-x)) / 2;
+	return (exp(x - 1) - exp(-x - 1)) * e / 2;
+};