Allow closing the dialog by pressing the escape key.
Update the version file for update checks.
Tag the 1.6.8 release.
tabs to spaces.
Update to svn 1.6.12 and serf 0.6.1
Fix build for VS2008
Bump the version number to 1.6.8
Try restoring the selection mark after a refresh.
(Fixes issue #253) : Do not refresh data grid on selection (or mark as read)
Don't save the urls file if the project list is empty.
(Fixes issue #267) : write-errors to url file are ignored
(Closes issue #163) : Group popups (should wait some seconds for grouping several commits)
