add proxy settings to kivy GUI

gui/qt/network_dialog.py

@@ -318,12 +318,6 @@ class NetworkChoiceLayout(object):
         host = str(self.server_host.text())
         port = str(self.server_port.text())
         protocol = 's' if self.ssl_cb.isChecked() else 't'
-        # sanitize
-        try:
-            deserialize_server(serialize_server(host, port, protocol))
-        except:
-            return
-
         if self.proxy_mode.currentText() != 'NONE':
             proxy = { 'mode':str(self.proxy_mode.currentText()).lower(),
                       'host':str(self.proxy_host.text()),
@@ -332,9 +326,7 @@ class NetworkChoiceLayout(object):
                       'password':str(self.proxy_password.text())}
         else:
             proxy = None
-
         auto_connect = self.autoconnect_cb.isChecked()
-
         self.network.set_parameters(host, port, protocol, proxy, auto_connect)
         self.network.blockchain.set_checkpoint(self.checkpoint_height, self.checkpoint_value)