winecfg: Added Windows registration information setting

[Dmitry Timoshkov]

"Filipe Ferreira" <filipe at tinypad.net> wrote:

> Added english controls to winecfg About tab for registration info in En.rc
> Added code for retrieving and setting registration info in main.c
> Added textbox identifiers in resource.h

Please add all the required changes to all .rc files, not only to En.rc.
Otherwise all previously valid language resources become suddenly out of
the sync.

-- 
Dmitry.