Renamed plugin to "redmine_reminder".
Renamed due_date_notification(s) to reminder_notification(s).
Displayed reminder info also in category listings.
Finished renaming plugin to "redmine_reminder".
Linked URL to all own issues in HTML email.
Changed english localization a bit
Fixed validation regex for valid reminder infos.
Another change of english localization.
Made it possible for a user to not get any notifications at all,
even if he has overdue issues. To do that, both the default reminder
setting and the users reminder setting have to be cleared.
Merge pull request #10 from JostBaron/master

Some small changes, mostly streamlining.