Fix routine theme errors; do not force typical pump options behavior
Remove outdated SM_ALIGN macro.
Actor: propagate some default parameters
SetEffectPeriod: propagate precondition
SetEffectTiming: better precondition, and check it
BeginTweening: ensure precondition
Warn on ActorFrame clearzbuffer
Warn on unset or nil command in RunCommands
Themes/default: Fix header alignment, make the background checkboard less gaudy
Themes/: remove anything we don't ship with.
Themes/: remove anything we don't ship with. For real this time
Merge.