ENH: some improvements and fixs

1. create user folder if not exists
2. add a tips for binding a printer
3. fix sdcard tips
4. modify icons
5. refine layout of task options

Change-Id: Ic0529cf1e8bdde0128052bc42454f6e6aaae87ca
Signed-off-by: Stone Li <stone.li@bambulab.com>

src/slic3r/GUI/Jobs/PrintJob.cpp

@@ -85,6 +85,7 @@ wxString PrintJob::get_http_error_msg(unsigned int status, std::string body)
     else {
         wxString unkown_text = _L("Unkown Error.");
         unkown_text += wxString::Format("status=%u, body=%s", status, body);
+        BOOST_LOG_TRIVIAL(error) << "http_error: status=" << status << ", code=" << code << ", error=" << error;
         return unkown_text;
     }