Updated Spanish translation.
Japanese translation (by Naofumi)
Removed the specific API 14 theme.

It is identical to the theme file already defined for API 11.
Tested against Android 5.0 (API 21)
Use Material theme on Android 5.0.
New app icon.
A new feature graphic for the store.

Not beautiful, but this is mandatory now :(
Prepare release 1.3.11