commitmonitor Code

* Switch to using VS2008 with the MFC feature pack.
* Instead of using boost\regex, use the tr1::regex which is available with the MFC feature pack

Fix the tab order of the URL dialog.
This fixes issue #43.

Remember the size and position of the diff viewer window.
This implements issue #41.

Make using TortoiseSVN for showing the diffs optional.

Add a ".diff" extension to the unified diff files.
This implements issue #40.

escape the URLs before passing them to the SVN API functions.
This implements issue #37.

Add helper method to escape an URL.

* Refactor the child window positioning code out from OnLButtonUp() into PositionChildWindows()
* Store/Restore the slider positions on dialog show/hide.

This implements issue #32.

Before using the project name in a path, convert all special chars.
This fixes issue #35.

If no author or date is available, show "(no author)" or "(no date)" instead of an empty string or a bogus date.