[NTOSKRNL]

[NTOSKRNL]
- Remove duplicate SINGLE_GROUP_LEGACY_API definition.
[PSDK]
- Add missing GROUP_AFFINITY structure.
[NTDDK]
- Remove ExFreePool definition.
[NDK]
- Remove duplicate PROCESSOR_CACHE_TYPE and CACHE_DESCRIPTOR definitions (they now exist in wdm.h).
[XDK]
- Move several definitions to their appropriate places.
- Add PROCESSOR_CALLBACK_FUNCTION, INVALID_PROCESSOR_INDEX, XSTATE_SAVE, LOOKASIDE_MINIMUM_BLOCK_SIZE and several missing Ke*, KBUGCHECK_*, KB_ADD_PAGES_FLAG_*, EXCEPTION_*, KE_PROCESSOR_CHANGE_*, Ex*, FirstEntrySList, and EX_*, RESOURCE_* definitions.
- Update ExAllocateFromNPagedLookasideList, ExAllocateFromPagedLookasideList, ExFreeToPagedLookasideList, OWNER_ENTRY and ERESOURCE.
- Group some related definitions.
[WDM]
- Update wdm.h to reflect XDK changes.

svn path=/branches/header-work/; revision=46287