fix dep

ts/index.ts

@@ -1,6 +1,5 @@
 /// <reference path="typings/tsd.d.ts" />
 var path = require("path");
-var pr = require("pushrocks");
 var fs = require("fs");
 
 var smartfile:any = {

ts/test.ts

@@ -1,4 +1,4 @@
 /// <reference path="typings/tsd.d.ts" />
 var smartfile = require("./index.js");
-var pr = require("pushrocks")
-pr.beautylog.info(smartfile.readFileToString("./test/mytest.txt"));
+var beautylog = require("beautylog")("os");
+beautylog.info(smartfile.readFileToString("./test/mytest.txt"));