Conflicts:

	lib/mail.php

lib/defaults.php should only contain the default strings and read the other strings directly from the theme

Conflicts:

	settings/templates/admin.php

Conflicts:
	lib/public/share.php

default session_lifetime is 24hrs
recreation of session is triggered at 50% of the session life time

This is the other way around then it was.

make PDOStatementWrapper return number of updated rows on INSERT, UPDATE or DELETE queries, introduces isManipulation() to guess type of query

$upload_max_filesize and $post_max_size need to be casted to (int) to match "=== 0"