3.1.0

Added

• undo for deleted notes (#54, #398)

Changed

• App navigation was confusing (#364, #373)

Fixed

• set font color to black for printing (#401; thanks to @bovender)
• fix search result in app-navigation (#399)
• update favorite only if different to current state (#407, #409)
• warning if JavaScript was not built (#408)
• improve code quality (#380, #381, #394, #396, #409)
• dependency updates (#387, #373, #397, #400, #405, #412, #414)