Updated travis configuration with environment variable.

Running npm install before build on prepublish task.

.travis.yml

@@ -4,9 +4,7 @@ node_js:
 deploy:
   provider: npm
   email: [email protected]
-  api_key:
-    secure: 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
-  skip_cleanup: true
+  api_key: $API_KEY
   on:
     tags: true
     repo: mrstebo/fakergem

package.json

@@ -5,7 +5,7 @@
   "main": "./lib/faker.js",
   "scripts": {
     "version:patch": "npm version patch",
-    "prepublish": "./node_modules/.bin/gulp build",
+    "prepublish": "npm install && ./node_modules/.bin/gulp build",
     "test": "./node_modules/.bin/gulp test coveralls",
     "watch": "./node_modules/.bin/gulp watch"
   },