Also move Lua scripts to share subfolder

scripts/normalize_all_tracks.lua

@@ -1,58 +0,0 @@
-ardour { ["type"] = "EditorAction",
-	name = "Normalize All Tracks",
-	license     = "MIT",
-	author      = "Ardour Team",
-	description = [[Normalize all regions using a common gain-factor per track.]]
-}
-
-function factory () return function ()
-	-- target values -- TODO: use a LuaDialog.Dialog and ask..
-	local target_peak = -1 --dBFS
-	local target_rms = -18 --dBFS/RMS
-
-	-- prepare undo operation
-	Session:begin_reversible_command ("Normalize Tracks")
-	local add_undo = false -- keep track if something has changed
-
-	-- loop over all tracks in the session
-	for track in Session:get_tracks():iter() do
-		local norm = 0 -- per track gain
-		-- loop over all regions on track
-		for r in track:to_track():playlist():region_list():iter() do
-			-- test if it's an audio region
-			local ar = r:to_audioregion ()
-			if ar:isnil () then goto next end
-
-			local peak = ar:maximum_amplitude (nil)
-			local rms  = ar:rms (nil)
-			-- check if region is silent
-			if (peak > 0) then
-				local f_rms = rms / 10 ^ (.05 * target_rms)
-				local f_peak = peak / 10 ^ (.05 * target_peak)
-				local tg = (f_peak > f_rms) and f_peak or f_rms  -- max (f_peak, f_rms)
-				norm = (tg > norm) and tg or norm -- max (tg, norm)
-			end
-			::next::
-		end
-
-		-- apply same gain to all regions on track
-		if norm > 0 then
-			for r in track:to_track():playlist():region_list():iter() do
-				local ar = r:to_audioregion ()
-				if ar:isnil () then goto skip end
-				ar:to_stateful ():clear_changes ()
-				ar:set_scale_amplitude (1 / norm)
-				add_undo = true
-				::skip::
-			end
-		end
-	end
-
-	-- all done. now commit the combined undo operation
-	if add_undo then
-		-- the 'nil' command here means to use all collected diffs
-		Session:commit_reversible_command (nil)
-	else
-		Session:abort_reversible_command ()
-	end
-end end