Bug 14255: minor edits to history.txt to facilitate automatic updates to the website

Bug 14255: minor edits to history.txt to facilitate automatic updates to the website

All this really does is remove whitespace at the end of the lines, and correct a weirdly tabbed entry. There aren't any content changes.

To test:

Just have a look at the patch and see that it's done those things. Not sure much needs to be done.

Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Jonathan Druart <jonathan.druart@koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>