missing ?>

[killerpommes]

Is it intended that in many files that ?> missing? if not i can make a pull request

[avandenberghe]

it's intended, they cause crashes if per accident whitespaces are introduced after >? but i'm sure i forgot some files.

And for phpbb 3.1 it will become part of coding guidelines also : http://area51.phpbb.com/phpBB/viewtopic.php?f=3&t=32589 and https://tracker.phpbb.com/browse/PHPBB3-9556