Support upload g-code to third-party printers

* wip

* fix cmake warning

* add UI and config options for Moonraker connection

* wip: copy whole print host UI from PS

* add more needed options

* wip 2

* fix string issue on Mac

* wip3

* fix cmake warning

* working
need tweaks

* cleanup

* support thumbnail

* fix DNS resolving issue in Windows

* code clean up

src/slic3r/GUI/Tab.cpp

@@ -43,6 +43,7 @@
 #include "MarkdownTip.hpp"
 #include "Search.hpp"
 
+// #include "BonjourDialog.hpp"
 #ifdef WIN32
 	#include <commctrl.h>
 #endif // WIN32
@@ -2875,7 +2876,6 @@ void TabPrinter::build_fff()
 
     //    build_preset_description_line(optgroup.get());
 #endif
-
     build_unregular_pages(true);
 }