class editor: don't show custom settings panel if there no child-elements in field definition

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4421 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
class editor: don't show custom settings panel if there no child-elements in field definition - revert

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4422 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
document link tag bugfix

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4423 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
class editor: translation fix

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4424 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
system settings: cleaned up email configuration

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4425 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
system settings: bugfix newsletter settings

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4426 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
send test email dialog

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4427 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
Merge branch 'master' of https://github.com/pimcore/pimcore
product definition update
Aded oAuth