commitmonitor Code

Implemented issue #92: Enhancement: Ignore list of users

Make sure the tray icon gets properly restored if required.

Remove the option to automatically fetch the diff.

Check the svnrobots file only once, not for every received log message.

Add an update notification if a newer version of the CommitMonitor is available.

Make the comparison of the author names to determine own commits case-insensitive.
This implements issue #71.

Handle the WM_QUERYENDSESSION message.

Postpone the first check after the CommitMonitor is first started by one minute.
This implements issue #63.

Stop monitoring when computer wants to go to low power/suspended state and resume monitoring when it activates again.

* Stop the thread before destroying the window
* Use the save() method instead of save(filename)