Cosmetic: Remove an unused member variable.
Fix: "Export settings" was always failing for registry.
Cosmetic: Use TRUE and FALSE constants in CAppSettings when possible.
Cosmetic: Some changes were forgotten in f584cb991dfa67f018866eaaf3b54fb7cd10d39e.
MPC Video Decoder: Fix low merit internal filter.
Updated frame size limits for all VP5 video cards (Nvidia VDPAU Feature Set D).
cosmetics
MPCVideoDec: fixed saving option "Set DXVA for SD (H.264)", cosmetics.
Fix: The filename could be wrong when saving a screenshot or thumbnails.

Filenames containing a dot but no extension were incorrectly modified.

This commit fixes ticket #2855.