Windows 10 build 9900

This build is the first leaked build to include major updates to the Windows 10 interface, including changing the taskbar to the black color used in the RTM. This build is also the first leaked build to include Cortana. It's also the first build compiled in the "fbl_awesome1501" lab.

UEFI BIOS
This build has to be installed on an UEFI BIOS, otherwise it will hang booting setup.