kernel32: Set the new definition for an activation context, and implement adding/releasing references to it.

Remove vbos from the input strided data from the fixed function
attributes explicitly and avoid writing beyond the end of a temporary
buffer when cloning a windows bug.

Spotted by Coverity.

Fixes the erros when using anisotropic mag filtering in the d3d7
filter demo.

to return information for OriginalCatalogName based on information in
the installed inf file.

ole32: Don't release the drop target on process uninitialisation if not revoked, just release the memory.

user32: Windows doesn't send the initialization messages to a dialog if a passed in dlgProc is NULL.

ole32: Add documentation about registered class objects only being visible in the apartment in which they were registered.