More short tag fixes.
Tidy up PHP short tags.
Updates from skel (Daniel Piddock): - Fix undefined variable warnings - Comment out auto-scroll code since it doesn't really work - Fix some minor formatting problems Also various other updates to the main page and comments.
Catch a lot of old URL's and update them. Also remove a couple of old files that aren't used.
Added URL to GPL headers.
i-scream is now licensed under the GPL. I've added the GPL headers to every source file, and put a full copy of the license in the appropriate places. I think I've covered everything. This is going to be a mad commit ;)
The main page for viewing the login timeline graph thingies. Similar in layout to the historical reports and makes use of files stored within the historical reports directories. Any login that has appeared within the reporting period will appear on this page. The user must select the date to view, followed by the machine name. All logins are currently shown on the same page. Perhaps more wizzo things may happen in the future. The are subtle differences in the 9-5 lines so that strange people may compare people's login times with the typical office hours.
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