Add notice when only minimal is installed

builtin/mainmenu/dlg_create_world.lua

@@ -62,6 +62,16 @@ local function create_world_formspec(dialogdata)
 
 		"button[5,5.5;2.6,0.5;world_create_confirm;" .. fgettext("Create") .. "]" ..
 		"button[7.5,5.5;2.8,0.5;world_create_cancel;" .. fgettext("Cancel") .. "]"
+		
+	if #gamemgr.games == 0 then
+		retval = retval .. "box[2,4;8,1;#ff8800]label[2.25,4;" ..
+				fgettext("You have no subgames installed.") .. "]label[2.25,4.4;" ..
+				fgettext("Download one from minetest.net") .. "]"
+	elseif #gamemgr.games == 1 and gamemgr.games[1].id == "minimal" then
+		retval = retval .. "box[1.75,4;8.7,1;#ff8800]label[2,4;" ..
+				fgettext("Warning: The minimal development test is meant for developers.") .. "]label[2,4.4;" ..
+				fgettext("Download a subgame, such as minetest_game, from minetest.net") .. "]"
+	end
 
 	return retval
 

builtin/mainmenu/gamemgr.lua

@@ -68,7 +68,7 @@ end
 function gamemgr.gamelist()
 	local retval = ""
 	if #gamemgr.games > 0 then
-		retval = retval .. gamemgr.games[1].id
+		retval = retval .. gamemgr.games[1].name
 
 		for i=2,#gamemgr.games,1 do
 			retval = retval .. "," .. gamemgr.games[i].name