[chore] Update all dependencies

package.json

@@ -33,35 +33,35 @@
     "format": "grunt eslint --fix"
   },
   "devDependencies": {
-    "dateformat": "2.0.0",
-    "fs-extra": "3.0.1",
-    "grunt": "^0.4.5",
+    "dateformat": "4.5.1",
+    "fs-extra": "10.0.0",
+    "grunt": "1.4.1",
     "grunt-casperjs": "^2.2.1",
-    "grunt-cli": "^1.3.2",
-    "grunt-contrib-clean": "1.1.0",
+    "grunt-cli": "^1.4.3",
+    "grunt-contrib-clean": "2.0.0",
     "grunt-contrib-concat": "1.0.1",
-    "grunt-contrib-connect": "1.0.2",
+    "grunt-contrib-connect": "3.0.0",
     "grunt-contrib-copy": "1.0.0",
-    "grunt-contrib-jshint": "1.1.0",
-    "grunt-contrib-uglify": "2.3.0",
-    "grunt-contrib-watch": "1.0.0",
-    "grunt-eslint": "^19.0.0",
-    "grunt-include-replace": "4.0.1",
-    "grunt-jscs": "2.8.0",
-    "grunt-karma": "1.0.0",
+    "grunt-contrib-jshint": "3.0.0",
+    "grunt-contrib-uglify": "5.0.1",
+    "grunt-contrib-watch": "^1.1.0",
+    "grunt-eslint": "23.0.0",
+    "grunt-include-replace": "5.0.0",
+    "grunt-jscs": "3.0.1",
+    "grunt-karma": "4.0.2",
     "grunt-leading-indent": "0.2.0",
     "grunt-nw-builder": "3.1.0",
-    "grunt-replace": "1.0.1",
-    "grunt-spritesmith": "6.4.0",
-    "jasmine-core": "2.6.1",
-    "karma": "1.7.0",
-    "karma-jasmine": "1.1.0",
+    "grunt-replace": "2.0.2",
+    "grunt-spritesmith": "^6.9.0",
+    "jasmine-core": "3.8.0",
+    "karma": "6.3.4",
+    "karma-jasmine": "4.0.1",
     "karma-phantomjs-launcher": "1.0.4",
-    "load-grunt-tasks": "3.5.0",
-    "nw": "^0.42.3",
+    "load-grunt-tasks": "5.1.0",
+    "nw": "0.54.0",
     "phantomjs": "2.1.7",
     "phantomjs-polyfill-object-assign": "0.0.2",
-    "promise-polyfill": "6.0.2",
+    "promise-polyfill": "8.2.0",
     "rmdir": "1.2.0"
   },
   "window": {
@@ -72,6 +72,6 @@
     "height": 700
   },
   "dependencies": {
-    "minimist": "^1.2.0"
+    "minimist": "^1.2.5"
   }
 }