Replace spaces with tabs for Lua, and more (#399)

Convert code indents to tabs to be consistent with the rest of the
JavaScript code.  This commits covers all of the lua code, some of the
hand written JSON code and the lone HTML and CSS files that were not
using tabs.

packages/slave/modules/clusterio/impl.lua

@@ -5,69 +5,69 @@ local impl = {}
 
 impl.events = {}
 impl.events[defines.events.on_tick] = function()
-    if global.clusterio_patch_number ~= clusterio_patch_number then
-        global.clusterio_patch_number = clusterio_patch_number
-        script.raise_event(api.events.on_server_startup, {})
-    end
+	if global.clusterio_patch_number ~= clusterio_patch_number then
+		global.clusterio_patch_number = clusterio_patch_number
+		script.raise_event(api.events.on_server_startup, {})
+	end
 end
 
 impl.events[api.events.on_server_startup] = function()
-    if not global.clusterio then
-        global.clusterio = {
-            instance_id = nil,
-            instance_name = nil,
-        }
-    end
+	if not global.clusterio then
+		global.clusterio = {
+			instance_id = nil,
+			instance_name = nil,
+		}
+	end
 
-    -- Replay will just desync after the save is patched
-    game.disable_replay()
+	-- Replay will just desync after the save is patched
+	game.disable_replay()
 end
 
 impl.events[defines.events.on_player_joined_game] = function(event)
-    local player = game.players[event.player_index]
-    api.send_json("player_event", { type = "join", name = player.name })
+	local player = game.players[event.player_index]
+	api.send_json("player_event", { type = "join", name = player.name })
 end
 
 impl.events[defines.events.on_player_left_game] = function(event)
-    local player = game.players[event.player_index]
-    api.send_json("player_event", { type = "leave", name = player.name })
+	local player = game.players[event.player_index]
+	api.send_json("player_event", { type = "leave", name = player.name })
 end
 
 -- Internal API
 clusterio_private = {}
 function clusterio_private.update_instance(new_id, new_name)
-    global.clusterio.instance_id = new_id
-    global.clusterio.instance_name = new_name
-    script.raise_event(api.events.on_instance_updated, {
-        instance_id = new_id,
-        instance_name = new_name,
-    })
+	global.clusterio.instance_id = new_id
+	global.clusterio.instance_name = new_name
+	script.raise_event(api.events.on_instance_updated, {
+		instance_id = new_id,
+		instance_name = new_name,
+	})
 end
 
 
 -- This is not part of the add_remote_interface callback to ensure it is
--- available when the clusterio_lib mod is loaded.  The reason this is
+-- available when the clusterio_lib mod is loaded.	The reason this is
 -- neccessary is that on_init for newly added mods happen before on_load
 -- for existing mods, and the add_remote_interface callback is done in
 -- on_load.  See https://forums.factorio.com/viewtopic.php?f=25&t=81552 for
 -- more details.
 remote.add_interface('clusterio_api', {
-    get_events = function()
-        return api.events
-    end,
+	get_events = function()
+		return api.events
+	end,
 
-    get_instance_id = function()
-        return global.clusterio.instance_id
-    end,
+	get_instance_id = function()
+		return global.clusterio.instance_id
+	end,
 
-    get_instance_name = function()
-        return global.clusterio.instance_name
-    end,
+	get_instance_name = function()
+		return global.clusterio.instance_name
+	end,
 
-    get_file_no = function()
-        global.clusterio_file_no = (global.clusterio_file_no or 0) + 1
-        return global.clusterio_file_no
-    end,
+	get_file_no = function()
+		global.clusterio_file_no = (global.clusterio_file_no or 0) + 1
+		return global.clusterio_file_no
+	end,
 })