#86 advanced search: basic styling
Merge branch 'development' into feature/3287_248_advanced_search
#86 advanced search: template changes and js-functionality
#86 advanced search: structure and styling of search-group
#86 advanced search: fixes in breadcrumb and js-initialization
#86 advanced search: fixed structure for search-inputs (extra advanced search controls)
#86 advanced search: styling (extra advanced search controls)
#86 advanced search: further general styling
#86 advanced search: added delete-functionality for search-fields
#86 advanced search: fixed date-selector for summon
#86 advanced search: result list header (structure)
#86 advanced search: result list header (styling)
#86 advanced search: fixed initialization
Merge branch 'feature/3287_248_advanced_search' into development