RestClient: added support for variants

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2747 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter typo

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2748 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
tag & snippet mgmt.: added fieldset around conditions

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2749 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
redirects: fixed problem with redirecting /index.php

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2750 1f8fe7d8-47f0-464c-8d0a-336f4953ab05