added _.curry definition

lodash/lodash-tests.ts

@@ -443,6 +443,14 @@ var createCallbackObj = { name: 'Joe' };
 var pluckCallback: () => any = _.createCallback('name');
 var whereCallback: () => boolean = _.createCallback(createCallbackObj);
 
+var curried: Function = _.curry(function(a, b, c) {
+  console.log(a + b + c);
+});
+
+curried(1)(2)(3);
+curried(1, 2)(3);
+curried(1, 2, 3);
+
 
 ////////////////////////////////////////////////////////////////////////////////////////
 //WHAT'S LEFT

lodash/lodash.d.ts

@@ -1780,6 +1780,20 @@ declare module _ {
 		thisArg?: any,
 		argCount?: number): () => boolean;
 
+	/**
+	* Creates a function which accepts one or more arguments of func that when invoked either 
+	* executes func returning its result, if all func arguments have been provided, or returns 
+	* a function that accepts one or more of the remaining func arguments, and so on. The arity 
+	* of func can be specified if func.length is not sufficient.
+	* @param func The function to curry.
+	* @param arity The arity of func.
+	* @return The new curried function.
+	**/
+	export function curry(
+		func: Function,
+		arity?: number): Function;
+
+