bugfix for commit rev. 4234: inherited elements when using master documents

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4236 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (3062) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4237 1f8fe7d8-47f0-464c-8d0a-336f4953ab05