Added "Config.timezone" config param to avoid having to specify timezone in each function call.

Author: ADmad

lib/Cake/Test/Case/Utility/CakeTimeTest.php

@@ -630,6 +630,11 @@ public function testUserOffset() {
 
 		$result = $this->Time->fromString(time(), $timezoneServer);
 		$this->assertEquals($expected, $result);
+
+		Configure::write('Config.timezone', $timezoneServer->getName());
+		$result = $this->Time->fromString(time());
+		$this->assertEquals($expected, $result);
+		Configure::delete('Config.timezone');
 	}
 
 /**

lib/Cake/Utility/CakeTime.php

@@ -243,6 +243,10 @@ public static function fromString($dateString, $timezone = null) {
 			$date = strtotime($dateString);
 		}
 
+		if ($timezone === null) {
+			$timezone = Configure::read('Config.timezone');
+		}
+
 		if ($timezone !== null) {
 			return self::convert($date, $timezone);
 		}