Mac OS X Puma build 5G27

Mac OS X Puma build 5G27 is a beta build of Mac OS X Puma 10.1. Besides changing the branding of this build to "10.1 (Pre-release)" in the About This Mac dialog and the color of the Apple logo on the startup screen from grey to blue, not much has changed over the previous builds.

Changes

 * iTunes 1.x has been added in this build.
 * Apple Logo is more lighter on the menu bar.

Bugs and quirks

 * The water-splashing video played on the OOBE doesn't work, leading to a white background on the left until it becomes a static image.