gdiplus: Move metafile functions to metafile.c.
winemac: Ignore mouse capture during window drags for routing click and move events.
winemac: Reset cursor clipping and capture when window dragging begins.
winemac: Ignore window dragging if window is disabled, maximized, minimized, or hidden.
dmstyle: Do not use method implementations directly.
dmstyle: Remove the redundant "IDirectMusicStyle8" from method names.
dmstyle: COM cleanup for IDirectMusicStyle8.
dmstyle: Remove the extraneous IUnknown from DirectMusicStyle8.

Also lock/unlock the module only on creation/destruction of the object.
oleaut32: Fix parameter validation in CreateStdDispatch().
oleaut32: Remove useless NULL checks.
atl110: Share atl_ax.c with atl100.
atl80: Share atl.c with atl100.
atl80: Share registrar.c with atl100.
msvcm90: Don't forward to msvcm80.
winhttp/tests: Ignore some missing notifications.
winhttp/tests: Only advance to the next notification test if the function is ok.
mmdevapi/tests: Use common wine_dbgstr_guid implementation from test.h.
mscoree/tests: Use common wine_dbgstr_guid implementation from test.h.
kernel32/tests: Use common wine_dbgstr_guid implementation from test.h.
ole32/tests: Use common wine_dbgstr_guid implementation from test.h.