[KBDCZ][KBDCZ1]
- add support for VK_OEM_102 and Shift+AltGr combinations in kbdcz1
- fix left arrow in kbdcz
- reduce diff between the layouts 
- misc cleanup
- Patch by Radek Liska
CORE-8283

git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@63532 97493ccd-5924-5043-b1f5-66cb403b36ce