Upgrade dev dependencies.

Gruntfile.coffee

@@ -5,7 +5,7 @@ module.exports = (grunt) ->
     @loadNpmTasks('grunt-contrib-jshint')
     @loadNpmTasks('grunt-contrib-uglify')
     @loadNpmTasks('grunt-contrib-watch')
-    @loadNpmTasks('grunt-jscs-checker')
+    @loadNpmTasks('grunt-jscs')
     @loadNpmTasks('grunt-mocha-cli')
 
     @initConfig
@@ -42,8 +42,6 @@ module.exports = (grunt) ->
             dist:
                 files:
                     'dist/pofile.js': ['lib/po.js']
-                options:
-                    alias: 'lib/po.js:pofile'
 
         uglify:
             dist:

package.json

@@ -35,16 +35,16 @@
     "test": "test"
   },
   "devDependencies": {
-    "browserify": "~3.11.1",
-    "grunt": "~0.4.2",
-    "grunt-browserify": "~1.3.0",
-    "grunt-bump": "0.0.13",
-    "grunt-contrib-clean": "~0.5.0",
-    "grunt-contrib-jshint": "~0.7.2",
-    "grunt-contrib-uglify": "~0.2.7",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt-jscs-checker": "^0.5.1",
-    "grunt-mocha-cli": "~1.4.0"
+    "browserify": "~14.0.0",
+    "grunt": "~1.0.1",
+    "grunt-browserify": "~5.0.0",
+    "grunt-bump": "0.8.0",
+    "grunt-contrib-clean": "~1.0.0",
+    "grunt-contrib-jshint": "~1.1.0",
+    "grunt-contrib-uglify": "~2.1.0",
+    "grunt-contrib-watch": "~1.0.0",
+    "grunt-jscs": "~3.0.1",
+    "grunt-mocha-cli": "~3.0.0"
   },
   "dependencies": {
     "lodash.isarray": "~2.4.1"