newsletter frontend service (controller, view, etc.)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2517 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter frontend service (controller, view, etc.) - improvements

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2518 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
optimized deleting email documents

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2519 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter ui

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2520 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter: send functionality & some optimizations

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2521 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter: send functionality & some optimizations

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2522 1f8fe7d8-47f0-464c-8d0a-336f4953ab05