Fix rimraf version dependency

Author: sergi

package.json

@@ -1,7 +1,7 @@
 {
   "name": "jsftp",
   "id": "jsftp",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "description": "A sane FTP client implementation for NodeJS",
   "keywords": [ "ftp", "protocol", "files", "server", "client", "async" ],
   "author": "Sergi Mansilla <sergi.mansilla@gmail.com> (http://sergimansilla.com)",
@@ -25,7 +25,7 @@
     "mocha-istanbul": "0.2.0",
     "sinon": "1.10.3",
     "ftp-test-server": "0.0.1",
-    "rimraf": "4.2.8"
+    "rimraf": "2.2.8"
   },
   "main": "./jsftp.js",
   "engines": {