Dirlisting: validate theme path and print error if required
Dirlisting: validate theme path and print error if required

sujayraaj/monkey_rtems,monkey/monkey,sbagmeijer/monkey,monkey/monkey,monkey/monkey,sujayraaj/monkey,dreamsxin/monkey,dougsko/monkey,WilliamRen/monkey-1,monkey/monkey,sbagmeijer/monkey,dreamsxin/monkey,sujayraaj/monkey,WilliamRen/monkey-1,monkey/monkey,sujayraaj/monkey_rtems,sujayraaj/monkey,sbagmeijer/monkey,sujayraaj/monkey,sbagmeijer/monkey,sujayraaj/monkey_rtems,sujayraaj/monkey_rtems,sbagmeijer/monkey,sujayraaj/monkeyTest,dreamsxin/monkey,dougsko/monkey,WilliamRen/monkey-1,dreamsxin/monkey,dougsko/monkey,dougsko/monkey,dreamsxin/monkey,WilliamRen/monkey-1,sujayraaj/monkey,monkey/monkey,sujayraaj/monkeyTest,sujayraaj/monkeyTest,dougsko/monkey,sujayraaj/monkeyTest,WilliamRen/monkey-1,sujayraaj/monkey_rtems