Add refresh button to DownloadDetailsActivity
jar v52
Translation updates

Changes were contributed by:
  [de] rovo89
  [fr] tonymanou (closes #151)
  [hu] Adam77Root (closes #157)
  [it] Vincenzo Cerminara (closes #160)
  [iw] DubelBoom (closes #155)
  [ja] Noumi Ryoko (closes #147)
  [ko] marbulas (closes #150)
  [nl] martin coulon (closes #149, closes 159)
  [ro] razorsbk (closes #152)
  [ru] gaich (closes #148)
  [sk] pyler (closes #153)
  [tr] thenorth (closes #156)
  [zh-rCN] Yeechan Lu (closes #146, closes #158)