Build: Run grunt lint on Travis

Ref jquery/api.jquery.com#749

Author: scottgonzalez

.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.12"
+before_script:
+  - npm install -g grunt-cli

Gruntfile.js

@@ -21,7 +21,12 @@ grunt.initConfig({
 		all: "resources/**"
 	},
 	wordpress: (function() {
-		var config = require( "./config" );
+
+		// There's no config for CI, but we don't need one for basic testing
+		var config = {};
+		try {
+			config = require( "./config" );
+		} catch ( error ) {}
 		config.dir = "dist/wordpress";
 		return config;
 	})()

package.json

@@ -19,6 +19,9 @@
       "url": "https://github.com/jquery/api.jquery.com/blob/master/LICENSE.txt"
     }
   ],
+  "scripts": {
+    "test": "grunt lint"
+  },
   "dependencies": {
     "grunt": "0.4.5",
     "grunt-jquery-content": "2.2.0"