Reorganize BobinkClient by domain and make s_instance private

Group header and source by domain (Connection, Discovery, PKI) so
properties, methods, and signal handlers live together. Move enums
before constructor, move s_instance to private, and add a public
instance() accessor used by BobinkNode.

1 files changed, 1 insertions, 1 deletions

diff --git a/demo/Main.qml b/demo/Main.qml
index ef09b7d..dae415f 100644
--- a/demo/Main.qml
+++ b/demo/Main.qml
@@ -37,7 +37,7 @@ ApplicationWindow {
             }
         }
         function onConnectionError(message) {
-            debugConsole.appendLog("ERROR: " + message);
+            debugConsole.appendLog("Connection error: " + message);
             root.autoConnectFailed = true;
         }
         function onStatusMessage(message) {