Fixed, Texture Browser Form: well, I broke "Tab" key functionality again (in previous commit)...
Maintenance: changed curly braces style to match DB2 one (hopefully not breaking anything in the process...).
Maintenance: changed private method names casing to match DB2 one.
Open Map in Current WAD: resources are now reloaded when current and target map's resources don't match.
Added some boilerplate to UniversalParser and PK3FileImage.
Internal: ImageSelectorControl now has "UsePreviews" property.
Internal: added ConfigurablePictureBox.
Updated ZDoom_DECORATE.cfg.
Dynamic lights defined in GLDEFS are now rendered in Visual modes (currently only one light per Thing is supported).
Several values from (Z)MAPINFO are now used in Visual modes.
Added "Reload GLDEFS", "Reload (Z)MAPINFO" and "Reload MODELDEF" menu options (in "Tools" section).
MODELDEF parser now checks which model(s) is/are used in first frame.
Dynamic lights are now created with more meaningful default parameters.
Added errors and warnings indicator to main window.