docs: function readConfigFile(configJSONPath) {
    var confiJSONFullPath = path.join(process.cwd(), configJSONPath);
    
    try{
      var configStr = fs.readFileSync(confiJSONFullPath, {encoding:'utf8'});
      return JSON.parse(configStr);
    } catch (err){
      throw new Error(`Invalid launcher configuration file: ${confiJSONFullPath}
  ${err.toString()}`);
    }
  }