New features and bug fixes

• Bugfixing: multi actions (multi delete, copy, move)
• Full text search added to feature clipping table (needs enabling in case the customer wants that feature)
• REST-API changes in regard to elastic.io connection
• new backup structure
• possibility to select another font besides our standard font Roboto (e.g. Open Sans, Ubuntu, Montserrat)
• possibility to add Futura font via feature clipping table (enabled for KLAFS tenant)
• Possibility to easily see unpublished changes in backend
• Bulk upload of several images or documents to a category or product template