PIMCORE-2358 - Add option to export/import all class definitions/brick definitions etc. at once - added option to disable "soft" mode which does not throw an exception. The bulk import does not ask before saving a class so there was the risk of losing data if some of the fields cannot be imported

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@5115 1f8fe7d8-47f0-464c-8d0a-336f4953ab05