Closes issue #153
* use the accelerator table in the main dialog
* extend the accelerator table
* handle the ID_POPUP_MARKALLASREAD command in the main command handler
Closes issue #154
* add option to limit the number of log entries kept for each monitored url
* increment the version number for the urls data
* only save the max. number of log entries
Fixes issue #155
Create the msi version info from the version.in file instead of relying on the developer to manually edit the wxs file for every release.