PIMCORE-2102 - Key fullpath in table search_backend_data is too long

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3932 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (2978) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3933 1f8fe7d8-47f0-464c-8d0a-336f4953ab05