This reverts commit 183cc225.

fix schema updates with oracle\n basically this took me all day to debug and hack, we need a new db layer! MDB2 is dead and pecl oci8 even more so! It has officially been deprecated in php 5.4: http://www.php.net/manual/de/function.ocifetchinto.php

Fix for broken Mail App in OSX Mountain Lion. https://mail.kde.org/pipermail/owncloud/2012-August/004649.html

Fix for broken Mail App in OSX Mountain Lion. https://mail.kde.org/pipermail/owncloud/2012-August/004649.html

webdav client crashes for secure connections if he doesn't have the right root certificate for ssl verification. For the moment I print at least a useful error message to the OC log and the Apache log

Fixes in Dropbox API, try to catch Dropbox exceptions, implement rename and copy in Dropbox storage backend