CLuaInstVideo: Add getNeutrinoMode()

- Set Lua api version to 1.28

Example:
	video = video.new()
	if video.getNeutrinoMode() == NMODE.TS then
		messagebox.exec{title="Attention!", text="Movie player is busy.", buttons={ "ok" } }
	end

src/gui/lua/lua_video.cpp

@@ -61,6 +61,7 @@ void CLuaInstVideo::LuaVideoRegister(lua_State *L)
 		{ "zapitStopPlayBack",      CLuaInstVideo::zapitStopPlayBack },
 		{ "channelRezap",           CLuaInstVideo::channelRezap },
 		{ "createChannelIDfromUrl", CLuaInstVideo::createChannelIDfromUrl },
+		{ "getNeutrinoMode",        CLuaInstVideo::getNeutrinoMode },
 		{ "__gc",                   CLuaInstVideo::VideoDelete },
 		{ NULL, NULL }
 	};
@@ -186,6 +187,12 @@ int CLuaInstVideo::createChannelIDfromUrl(lua_State *L)
 	return 1;
 }
 
+int CLuaInstVideo::getNeutrinoMode(lua_State *L)
+{
+	lua_pushinteger(L, (lua_Integer)CNeutrinoApp::getInstance()->getMode());
+	return 1;
+}
+
 int CLuaInstVideo::VideoDelete(lua_State *L)
 {
 	CLuaVideo *D = VideoCheckData(L, 1);