added _(...).delay defs

lodash/lodash-tests.ts

@@ -546,6 +546,7 @@ result = <_.LoDashWrapper<number>>_(function() { console.log('deferred'); }).def
 
 var log = _.bind(console.log, console);
 result = <number>_.delay(log, 1000, 'logged later');
+result = <_.LoDashWrapper<number>>_(log).delay(1000, 'logged later');
 
 var fibonacci = <Function>_.memoize(function(n) {
   return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2);

lodash/lodash.d.ts

@@ -2149,6 +2149,15 @@ declare module _ {
 		wait: number,
 		...args: any[]): number;
 
+		interface LoDashWrapper<T> {
+			/**
+			* @see _.delay
+			**/
+			delay(
+				wait: number,
+				...args: any[]): LoDashWrapper<number>;
+		}
+
 	/**
 	* Creates a function that memoizes the result of func. If resolver is provided it will be 
 	* used to determine the cache key for storing the result based on the arguments provided to