Rename audio_lib type "system" into "notifications"

locale/parties.de.tr

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=
+Notifications=
 Party invite jingle=
 Someone joins the party=
 Someone leaves the party=

locale/parties.es.tr

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=
+Notifications=
 Party invite jingle=
 Someone joins the party=
 Someone leaves the party=

locale/parties.hu.tr

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=
+Notifications=
 Party invite jingle=
 Someone joins the party=
 Someone leaves the party=

locale/parties.it.tr

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=Sistema
+Notifications=Notifiche
 Party invite jingle=Motivetto d'invito al gruppo
 Someone joins the party=Qualcunə entra nel gruppo
 Someone leaves the party=Qualcunə abbandona il gruppo

locale/parties.pl.tr

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=
+Notifications=
 Party invite jingle=
 Someone joins the party=
 Someone leaves the party=

locale/template.txt

@@ -3,7 +3,7 @@
 # reviewer(s):
 
 ##[ src/_load.lua ]##
-System=
+Notifications=
 Party invite jingle=
 Someone joins the party=
 Someone leaves the party=

src/_load.lua

@@ -27,8 +27,8 @@ load_world_folder()
 
 if not minetest.get_modpath("audio_lib") then return end
 
-audio_lib.register_type("parties", "system", S("System"))
+audio_lib.register_type("parties", "notifications", S("Notifications"))
 
-audio_lib.register_sound("system", "parties_invite", S("Party invite jingle"))
-audio_lib.register_sound("system", "parties_join", S("Someone joins the party"))
-audio_lib.register_sound("system", "parties_leave", S("Someone leaves the party"))
+audio_lib.register_sound("notifications", "parties_invite", S("Party invite jingle"))
+audio_lib.register_sound("notifications", "parties_join", S("Someone joins the party"))
+audio_lib.register_sound("notifications", "parties_leave", S("Someone leaves the party"))