commitmonitor Code

Ignore own commits. This implements issue #4.
* add checkbox to the url dialog to enable the ignore-own-commits feature.
* add boolean param to the CUrlInfo class and serialize it properly.
* in the updating thread, check the log messages if they match the own author and ignore those if requested.

Add more tooltips.

Add about dialog.

* Add Exit button to quit the application
* Closing the main dialog with the red X doesn't quit but hides the main dialog
* Pressing ESC also hides the dialog
* Change the OK button to "Hide"

Allow disabling the notification sound completely.

Use custom icons for the tree view, not the ones from the system image list.

Add option to animate the tray icon for new commits.

Add a button to fetch the latest commits on request.

Play a sound when new commits arrived.
Use the 'mail arrived' default system sound, but also add an option in the settings dialog to specify an own soundfile to play.

Improve the search bar a little bit.