Install ROSA Fresh to EFI/GPT partition

[akdengi]

First exploration in install ROSA on EFI/GPT system with preinstalled Windows 7/8

http://wiki.rosalab.ru/en/index.php/Ins ... EFI_system

Please test it and say us about found errors - we will plan add EFI support with this alghoritm in installer soon.

P.S. Then we say how install ROSA on EFI system without Windows and with SecureBoot enabled