commitmonitor Code

convert tabs to spaces.

code cleanup:
* rename CRegStdWORD to CRegStdDWORD
* replace the stdstring defing with a typedef for tstring
* get rid of the wide_string typedef, use std::wstring instead

Make sure that even with IPv6 enabled the CommitMonitor can run on systems earlier than XP.

Indicate the GPL license.

Make the hand the default mouse cursor for the notification popup window.

Show the main dialog if the user clicks on the notification popup window.

Allow disabling the notification sound completely.

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.

Fix compiler warnings.

Send the specified message back to the parent window if the user clicks on the popup window.