Game Configurations: changed default map name for Doom maps to "E1M1".
New Map Form: "E1M1" is now used as a default name for Doom maps.
Thing Browser Control: double-click event is now sent only if user clicked in the node's label area.
Interface: added info messages for several toolbar toggles.
Interface: made Brightness icon more readable when using dark windows themes.
When you try to change floor/ceiling texture offsets in Doom/Hexen map formats, a warning is displayed in status bar (instead of spamming you with message windows).
Mode actions toolbar is now auto-hidden when there are no buttons to display.