BL Library now works 100% in paging, protected mode. A picture is worth a thousand...

BL Library now works 100% in paging, protected mode. A picture is worth a thousand commits: i.imgur.com/Zx2nQ6x.jpg
[BOOTLIB]: Add support for protocol open/close/lookup while paging and protected mode is enabled.
[BOOTLIB]: Implement support for dozens of UEFI functions while under protected mode.
[BOOTLIB]: Fix bugs in existing UEFI functions which were switching to _protected_ mode instead of _real mode_ before making the UEFI call.
[BOOTLIB]: Free dynamic descriptor in MmMdFreeDescriptor.
[BOOTLIB]: Implement BlHtDelete.
[BOOTLIB]: Implement re-initialize-all path in DsppInitialize.
[BOOTLIB]: Fix small bug in BlDisplayInvalidateOemBitmap
[BOOTLIB]: Fix bigger bug in BlDisplayGetOemBitmap :)

svn path=/trunk/; revision=74546