Changed two strange looking places in boot.php.

There have been two places that looked wrong, but I don't know how I can test
them. So please review and test if I am not wrong.
Merge pull request #690 from habeascodice/master

Initial postgres support
Merge pull request #692 from habeascodice/master

missed during merge
put timeout code in place but don't turn it on.
Fixed a variable conflict in mod/xchan.php.

A variable $rr inside the foreachs was used twice.
Add translation to mod/xchan.php.
mysql driver - in debug mode for statements that return true/false report the sql along with the result so we can match it to an offending statement. This has bugged me for some time but never got around to fixing it until now.
Merge pull request #691 from dawnbreak/master

Changed two strange looking places in boot.php.
Merge https://github.com/friendica/red into pending_merge
Merge pull request #693 from habeascodice/master

Add bitwise xor to db_getfunc()
buttonify some design elements that had not yet been buttonified
Merge https://github.com/friendica/red into pending_merge
fix lost $sql_extra in recent sql query changes
doc updates
minor changes to support forum mode
Merge https://github.com/friendica/red into pending_merge
Switch to a better datetime picker widget
some poller optimisations and a fix for undefined (empty) dbtype which shows up as a mysql error that 'rand' isn't found.
"list mode" (forum and blog mode, no comments or comment boxes displayed on the summary page)
blog/list mode display settings
module cleanup