Added Numeral.js

Added Numeral.js definition and tests.

numeraljs/numeraljs-tests.ts

@@ -0,0 +1,42 @@
+/// <reference path="numeraljs.d.ts" />
+var valueFormat: string = numeral(1000).format('0,0');
+// '1,000'
+
+var valueUnformat: number = numeral().unformat('($10,000.00)');
+// '-10000'
+
+var value3: Numeral = numeral(1000);
+var added: Numeral = value3.add(10);
+// 1010
+
+var value4: Numeral = numeral(1000);
+var formatValue4a: string = value4.format('0,0');
+// '1,000'
+var formatValue4b: number = value4.value();
+// 1000
+
+var value5: Numeral = numeral();
+value5.set(1000);
+var value5Num: number = value5.value();
+// 1000
+
+var value6: Numeral = numeral(1000);
+var value: number = 100;
+var difference = value6.difference(value);
+// 900
+
+var value7: Numeral = numeral(0);
+numeral.zeroFormat('N/A');
+var zeroString: string = value7.format('0.0')
+// 'N/A'
+
+var a: Numeral = numeral(1000);
+var b: Numeral = numeral(a);
+var c: Numeral = a.clone();
+
+var aVal: number = a.set(2000).value();
+// 2000
+var bVal: number = b.value();
+// 1000
+var cVal: number = c.add(10).value();
+// 1010