0.11.4 — position editor fits, Start-pos preset

GNU Backgammon for Android 0.11.4

Fixed

• The cube row in the position editor was cut off the bottom of the screen on
  taller phones, and couldn't be reached (issue #1). The editor now fits: "On
  roll" and "Dice" share one row, the redundant instruction line is gone, and the
  spacing is tighter — measured to clear the buttons with room to spare across the
  supported aspect-ratio range.

Added

• A "Start pos" button in the position editor fills the standard opening
  position, so you don't have to place all 30 checkers by hand (issue #1).