fix(packages): update

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 
 node_js:
-  - "0.12"
+  - "node"
 
 script: npm run $COMMAND
 

package.json

@@ -29,20 +29,20 @@
     "coverage": "npm test --coverage && istanbul check-coverage --lines 100 --function 100 --statements 100 --branches 100 coverage/coverage.json"
   },
   "dependencies": {
-    "bluebird": "^3.0.5",
-    "js-beautify": "^1.5.10",
+    "bluebird": "^3.5.0",
+    "js-beautify": "^1.6.14",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",
     "walk": "^2.3.9"
   },
   "devDependencies": {
-    "chai": "^3.4.1",
+    "chai": "^4.0.0",
     "chai-as-promised": "^6.0.0",
-    "copyfiles": "^1.1.1",
-    "coveralls": "^2.11.4",
-    "fs-extra": "^2.0.0",
-    "istanbul": "^0.4.0",
-    "jshint": "^2.8.0",
-    "mocha": "^3.0.2"
+    "copyfiles": "^1.2.0",
+    "coveralls": "^2.13.1",
+    "fs-extra": "^3.0.1",
+    "istanbul": "^0.4.5",
+    "jshint": "^2.9.4",
+    "mocha": "^3.4.2"
   }
 }