Update de.ini

Double usage of "von" in sentence
Made "new item" search more forgiving about absence of getFunds method.
Resolves VUFIND-846; thanks to Luke O'Sullivan for reporting the bug.
Resolving VUFIND-849 (Clear page number when changing sort/limit).
Refactored to make getOpenURL slightly more granular.
Resolving VUFIND-850 (Label search sources in history listing)
Fixed web search RSS feed.
Resolving VUFIND-851 (Feedback module breaks "save search").