CommaFeed 4.3.0

• h2 (the embedded database) has been upgraded to 2.2.224
  • this version uses a different file format than 2.1.x, the first time you start CommaFeed with this version, the database will be automatically converted to the new format
• add a setting to completely disable scrolling to selected entry (#1157)
• add a css class reflecting the current view mode to ease custom css rules (#1232)
• fix an issue that prevents new feeds from being added when mysql/mariadb is used as the database (#1239)