Merged in the following trackers from EDK:

Merged in the following trackers from EDK:
EDK1145 Cursor mising in shell in some case
EDK1099: Dell - [HII] HiiGetFontInfo() not retrieve the system font by FoFontInfoMask
EDK1127: [UEFI 2.10] Keyboard layout support
EDK1129: [UEFI HII] GUID is represented wrongly in Config String
And some other fixes such as
*[UEFI HII] HiiGetAltCfg is generating "Name=" sub string in the wrong format
*UEFI HII: GetUnicodeStringTextOrSize() doesn't handle NULL StringDest properly
*GetFontInfo() need be updated to avoid iteration
*HIIStringProtocolTest failed on multiple platform
*[Uefi 2.1] Comply with latest Hii ECR
* GetFontInfo() need be updated to avoid iteration

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5361 6f19259b-4bc3-4df7-8a09-765794883524