0.2-rc3 -> 0.2-rc4 changelog

• User interface improvements
  • Menu text is moved to avoid overlapping numbers in menu (#580, #505)
  • (N516) Selection bar no longer hides numbers in menu (#581)
  • Translation and help updates and fixes

• System improvements
  • (N516) Screen update algorithm changed, resulting in more logical selection between full and partial updates (#578)
  • Filesystem errors are now checked and repaired for internal memory and on SD (#577)

• Bookshelf
  • It is now possible to select default handler for file types (#454)
  • "Delete" menu item now works for inexisting files from Favorites and Recent Files (#583, #584)
  • It is now possible to hide inexisting files in Favorites and Recent Files (#593)
  • New action in Favorites / Recent Files menu: remove all inexisting files (#593)
  • If book is opened from "Recent Files" list, it is moved to the top of it immediately (#567)
  • Author and series in file information no longer overlap size and type of book (#485)
  • Files and directories with '&' and '<' in them are displayed correctly (#501)