richedit: In RTF reader, set both bold and weight attributes, so that we don't care about priority between the two.

richedit: Pass left margin around when computing the size of a run, so that a tab will get a correct size.

richedit: Store shift-enter (keyboard) and \line (rtf) as end of row (and emit \line while saving in RTF).

wined3d: Check the texture capabilities we offer for the different texture types (cube, plain, volume).

Only support the SYSTEM_MEDIA_TIME for now.

If the buffer is created and stopped, the contents of the buffer are
indeterminate, by zeroing it you won't get leftovers from last play.

Use the fallback system IReferenceClock, unless the app comes up with
its own clock.

wininet: If we receive an error from InitializeSecurityContext in HTTP_DoAuthorization then set pAuthInfo->finished so that we don't carry on using the security context.

wininet: Assume that if we're connected to an HTTP/1.1 server then connections can be kept alive by default.

So don't close the connection in this case in HTTP_FinishedReading.