Rework the bookmark app to manage postgresql.
Add a fetchOne function into the PdoStmtWrapper
Fix a tipo in comments.

checkWebserverUser would return the owner of the document
root instead of the owner of the web server process.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

Fixed the 'Undefined index "user_id"' bug when requesting a publicly shared folder and being logged-out.
The OC_App::navigation array contains by default only the help menu.

Filled username field when oc_username is set repaired.
Problems with "advanced settings" button in installation wizard fixed.
CSS improved - login and installation now looks more clean.
Request password link removed (email feature not implemented yet).
Database radio button bugs removed.
It is possible to have an empty database password, now ownCloud will support this "security issue".
Ignore Mac OS X ".DSstore" files.
Fade in/out of login button and remember checkbox removed due to some display errors.

This reverts commit 7fb89c53.

add status file. useful for external administration. show the ownClopud version at least in the config dialog.