some errors

[rjonesbsink]

as per BoatrightTBC fork of timeclock these following errors show up when performing certain tasks

https://pilotweb.nas.faa.gov/qryhtml/icao/ the link is dead

trying to delete a time clock entry for a user: Warning: preg_match(): Unknown modifier ',' in C:\xampp\htdocs\timeclock\admin\timedelete.php on line 288

Notice: Undefined variable: tzo in C:\xampp\htdocs\timeclock\admin\timeadd.php on line 546

Notice: Undefined variable: tzo in C:\xampp\htdocs\timeclock\admin\timeadd.php on line 693

hours workded report shows a different time than the time that was entered

can not find metar for the city of cleveland, OH as the above link is dead

Notice: Undefined index: metar in C:\xampp\htdocs\timeclock\admin\sysedit.php on line 1282
@BoatrightTBC