updated npm packages

Author: sayanee

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-pdf",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "An Angularjs directive <ng-pdf> to display PDF in the browser with PDFJS.",
   "main": "./dist/angular-pdf.js",
   "license": "MIT",

package.json

@@ -1,19 +1,19 @@
 {
   "name": "angular-pdf",
-  "version": "0.1.0",
+  "version": "0.2.2",
   "author": "Sayanee <[email protected]>",
   "description": "An Angularjs directive <ng-pdf> to display PDF in the browser with PDFJS.",
   "repository": {
     "type": "git",
     "url": "https://github.com/sayanee/angular-pdf.git"
   },
   "devDependencies": {
-    "grunt": "0.4.1",
-    "grunt-cli": "0.1.9",
-    "grunt-contrib-uglify": "0.2.4",
-    "grunt-contrib-clean": "~0.5.0",
-    "grunt-contrib-copy": "~0.4.1",
-    "grunt-contrib-jshint": "~0.7.2",
+    "grunt": "0.4.5",
+    "grunt-cli": "0.1.13",
+    "grunt-contrib-uglify": "0.5.1",
+    "grunt-contrib-clean": "0.6.0",
+    "grunt-contrib-copy": "0.5.0",
+    "grunt-contrib-jshint": "0.10.0",
     "grunt-jsonlint": "~1.0.4"
   },
   "scripts": {