image thumbnails: better structure + nice filenames

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3841 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
thumbnails (image,document,video): better structure + nice filenames

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3842 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
demo bugfixes

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3843 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
libreoffice adapter: improved startup parameters

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3844 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
reduced size of edit site dialog

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3845 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (2946) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3846 1f8fe7d8-47f0-464c-8d0a-336f4953ab05