Correctly show the log messages. The log window will display all
messages emitted by the QML Manager class.
Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>
When closing the log window, do not try to save the changes. This
should only be done when closing the DiveDetails.
Signed-off-by: Grace Karanja <gracie.karanja89@gmail.com>