Texture Browser Form: don't save current texture group when the form was canceled.
Keyboard Shortcut Reference export: generated html will now be saved to program configuration folder if working folder is write-protected.
Internal: added SupportedMapFormats property to EditModeAttribute. A mode with this property specified will be available only in specified map formats.
Interface: Ceiling Align Mode and Floor Align Mode are now enabled by default.
Interface: Ceiling Align Mode and Floor Align Mode are now only available in UDMF map format.
Interface: Visplane Explorer Mode is now available only in Doom map format.
Draw Curve Mode: added settings panel.
Sectors mode: added "Make Door" button to the toolbar.
Swapped Side panel and Info panel z-order.
Interface: split toolbar into 3 separate toolbars. All toolbar buttons are now viewable at 1024x768.
Interface: grouped stuff in "Modes" menu a bit better.
Interface: added "Draw [stuff]" buttons to modes toolbar.
Interface: reorganized main menu. Hope it makes more sense now.
API: added General.Interface.AddModesButton() and General.Interface.AddModesMenu(), which can be used to add buttons to specific group in "Modes" toolbar and menu items to specific group in "Modes" menu, so actions, which behave like an editing mode, but are not part of one can be added there.
Added two new type handlers that can be used in UDMF ('Thing Type' and 'Thing Class')
Polished the browse icons and browse buttons.
Added more events for plugins to intercept.
