commitmonitor Code

Fix compiler warnings.

* Use a separate window for the diff viewer. That window has the scintilla edit control as a child window.
* Remember the size of the diff viewer between sessions.

Add a diff viewer based on scintilla.

Try to stop a possible running thread gracefully before exiting the process.

First non-working version of parsing the html page from an SVNParentPath url.
Got the downloading part working now after several hours of trying.

* allow only one instance per user
* add a tray icon

* get rid of the boost serialization (that one crashed and I couldn't figure out why), implement our own serialization instead.
* Implement timers and threads to fetch the log data and check for updates according to the settings.
* Implement username/password to pass to the repository if necessary.

Add a hidden 'main' window which handles the window messages and the icon in the tray area.

Add new dialog to edit and add URL settings.

* fix build system
* implement main dialog