code: function findConfig (filePath) {
  
      var foundConfig;
  
      var finders = [
          _codetagsrc,
          _embedded
      ];
  
      var dir = $path.dirname(filePath);
      while (!foundConfig && finders.length) {
          foundConfig = finders.shift()(dir);
      }
  
      if (!foundConfig) {
          // screwed. should not happen.
          throw 'Oops. Could not find a config, and embedded config also appears to be missing?';
      }
  
      return foundConfig;
  
  }
docs: Find config in the following order:
  - .codetagsrc JSON file
  - provide embedded config