Yet another mostly bug fixing, fortunately the number of bugs seems to be getting much smaller so a final release should not be too far away. So, without further adue here are the changes:
Added code to the installer to check for LOCK permission
Fixed an error in pdf.php.t when pdflib is not available
Added 'unprotect' script that can be used to unlock a forum
Fixed mode detection in rdf.php.t
Make uninstall.php safe_mode safe
Fixed division by 0 warning in pdf.php.t
Fixed a bug that caused quote link in PM to forget the TO user
Fixed a bug with attachments in private messages
Fixed a bunch of undefined variable warnings
Added missing input validation
Fixed a few bugs with RSS feed.
Added 'basic' mode to RSS feed which is compatible with standard RSS parsers.
Updated German translation
Updated installation & upgrade readme files
Better ini value detection for boolean values
Fixed template confusion in drawpmsg.tmpl
Optimized GLOBALS.php inclusion
Added code to upgrade script to check for data uniqueness before adding unique indexes.