added third level to inheritance test

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3037 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
spelling

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3038 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
added more icons to the icon font + made showSubMenu() in toolbar class public available

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3039 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3040 1f8fe7d8-47f0-464c-8d0a-336f4953ab05