When config loads json file, ensuring the path is resolved from the file, not cwd.

Author: EvanLovely

builder/patternlab.js

@@ -25,7 +25,7 @@ var patternlab_engine = function (config) {
   patternlab = {};
 
   patternlab.package = fs.readJSONSync('./package.json');
-  patternlab.config = config || fs.readJSONSync('./config.json');
+  patternlab.config = config || fs.readJSONSync(path.resolve(__dirname, '../config.json'));
 
   var paths = patternlab.config.paths;