document link editable: add classes to link in editmode

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3705 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
demo-styles

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3706 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (2904) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3707 1f8fe7d8-47f0-464c-8d0a-336f4953ab05