specify nodejs version

Author: Andrew Schmadel

.travis.yml

@@ -0,0 +1,3 @@
+machine:
+  node:
+    version: 5.1.0

circle.yml

@@ -8,14 +8,13 @@
     "url": "https://github.com/olov/ng-annotate.git"
   },
   "dependencies": {
-    "babel": "^6.3.26",
+    "babel": "^6.5.1",
     "optimist": "~0.6.1",
     "simple-fmt": "~0.1.0",
     "simple-is": "~0.2.0",
     "stringmap": "~0.2.2"
   },
   "devDependencies": {
-    "babel": "^6.5.1",
     "babel-core": "^6.5.1",
     "babel-preset-es2015": "^6.5.0",
     "chalk": "^1.1.1",