QR scanning in Android
Merge branch 'unstable' of github.com:stestaub/drallo-app into unstable

# By Sergey (5) and Roman Yemelyanenko (1)
# Via Sergey (2) and Roman Yemelyanenko (1)
* 'unstable' of github.com:stestaub/drallo-app:
  make double downscale topLevelbitmap, and load to memory only scaled bitmap
  203 - done
  Add translate
  Add key and localisation for Downloaded tab title
  203 - get saved drallos
  203 add downloaded profile tab