added possibility to deliver params to the method Object_Concete::getValueFromParent()

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2168 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
memcache cache backend mysql - tag table: now using INSERT INTO xxx ON DUPLICATE KEY UPDATE to avoid errors

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2169 1f8fe7d8-47f0-464c-8d0a-336f4953ab05