added persons/target group object data-type

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2978 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
enable target groups/personas in general (removed devmode restriction)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2979 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
newsletter: added persona support

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2980 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
admin ui: remove parent out of response (get-by-id)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2981 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
admin ui: remove versions (except the first) out of response (get-by-id)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2982 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
admin ui: remove versions (except the first) out of response (object/get)

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2983 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2984 1f8fe7d8-47f0-464c-8d0a-336f4953ab05