Implement StrRetToBSTR, delay-import oleaut32.

- SetErrorInfo should allocate an apartment when no apartment present.

A fix to ICreateTypeInfo::AddRefTypeInfo() to use Release() instead of
hacking a refcount directly.
A missed API doc comment for the ITypeInfo interface.

Rosenberg).

Support for ICreateTypeInfo::SetImplTypeFlags().

TB_GETBUTTONINFO only returns a string if it's not in the internal
string list.

stirling@kc.rr.com).

TBSTYLE_*.

Fixed a trace.

midl-generated stubs.

Documentation updates.

profile code changes.

- Process files fully in Unicode.
- Add Unicode file detection.