code: function Linter(ruleFilePath) {
      if (!ruleFilePath) logger.info("No rule file provided, using default rules");
      this.rules = loadRules(ruleFilePath);
      helper.initLineRulesRegexes(this.rules);
  }
docs: Create an instance of a linter object using the given rule file
  @param ruleFilePath - the location of a rule file
  @constructor