serialize normalize

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3421 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
asset folder in recyclebin: do not include children if the total size is too big for the memory_limit

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3422 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (2846) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3423 1f8fe7d8-47f0-464c-8d0a-336f4953ab05