REST webservice - put the actual data into a container, the top level contains the success status and error message

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2537 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
log exceptions

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2538 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
added permission for newsletter

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2539 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
typo in newsletter translation

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2540 1f8fe7d8-47f0-464c-8d0a-336f4953ab05