Do not call missing_show during image prediction.
Properly update the prediction info.

This lets us predict more than one image.
Improve prediction of side images.
Revert "Return to the main menu on right click from load, save, prefs, etc."

This reverts commit 5bff9be02c76dc898235030b2a804649e3c93a49.
Document store variables.
Fsdecode tail output.

This is stdout for the android tools, which is likely to be encoded
using the local encoding, at least when filenames are involved.