data: saving errors to Storage

* saving errors in separate sqlite table
* use MessageShowErrors to show the errors in the UI
* show error count permanently in the right side of the status bar with click to show
* fixed clicking of error locations
* fixed expanding of files with errors

src/lib/component/controller/StatusBarController.cpp

@@ -17,6 +17,11 @@ StatusBarView* StatusBarController::getView()
 	return Controller::getView<StatusBarView>();
 }
 
+void StatusBarController::handleMessage(MessageFinishedParsing* message)
+{
+	getView()->setErrorCount(message->errorCount);
+}
+
 void StatusBarController::handleMessage(MessageStatus* message)
 {
 	setStatus(message->status, message->isError, message->showLoader);