Make spawnflags editor work for brush entities and hide it when
deleting the spawnflags property.
Remember last scroll position of spawnflags editor.
Add color property editor.
Add support for point files.
Show spawnflags property for every entity.
Add point file rendering and maneuvering.
Improve color property editor by adding sliders and a list of all
used colors.
Add intermediary points for point file trace line.
Minor improvements to color editor.
Don't autosave if the current document's file cannot be found (usually
means its unsaved).