Add functionality for webtv

Taken from bitbucket.org/neutrino-images/ni-neutrino-hd

Required  build fixes:
    Clean cherry-pick was impossible and build was broken,
    because of missing parts of historie inside source repository.
    That forces to add many other missing code parts.

src/system/settings.h

@@ -330,6 +330,7 @@ struct SNeutrinoSettings
 	std::list<std::string> webtv_xml;
 	std::list<std::string> webradio_xml;
 	std::list<std::string> xmltv_xml; // see http://wiki.xmltv.org/
+	int webtv_xml_auto; 
 
 	//personalize
 	enum PERSONALIZE_SETTINGS  //settings.h