Added comments and timezone translation to Czech localization

Author: Trent

localization/jquery-ui-timepicker-cs.js

@@ -1,9 +1,12 @@
+/* Czech translation for the jQuery Timepicker Addon */
+/* Written by Ondřej Vodáček */
 $.timepicker.regional.cs = {
 	timeOnlyTitle: 'Vyberte čas',
 	timeText: 'Čas',
 	hourText: 'Hodiny',
 	minuteText: 'Minuty',
 	secondText: 'Vteřiny',
+	timezoneText: 'Časové pásmo',
 	currentText: 'Nyní',
 	closeText: 'Zavřít',
 	timeFormat: 'h:m',