Debugger: Make use of the "displayedtype" attribute.

Fix "displayedtype" in CDB, display it elsewhere.
Log debugger settings in DebuggerManager startup.
Acked-by: hjk <qtc-committer@nokia.com>

src/plugins/debugger/debuggermanager.cpp

@@ -847,6 +847,7 @@ void DebuggerManager::startNewDebugger(DebuggerRunControl *runControl,
 
     emit debugModeRequested();
     showDebuggerOutput(LogStatus, tr("Starting debugger for tool chain '%1'...").arg(toolChainName));
+    showDebuggerOutput(LogDebug, DebuggerSettings::instance()->dump());
 
     QString errorMessage;
     QString settingsIdHint;