[user32]

[user32]
- Remove a reactos only export (PrivateCsrssInitialized)
- Don't call NtUserGetClassLong
- Move implementation of AnyPopup to user mode
- Fix a small bug in GetParent and in IsChild

[csrss]
- Don't call PrivateCsrssInitialized

[win32k]
- Call CsrInit in NtUserInitialize so we can remove PrivateCsrssInitialized
- Romove a reactos only syscall (NtUserGetClassLong)
- Remove UserGetClassLongPtr, UserGetWindow, UserGetWindowLong, IntGetOwner. Instead access objects directly
- In WINDOW_OBJECT store pointer to the ownder window instead of a handle

svn path=/trunk/; revision=47544