Fix screen compatibility to allow some phones and phablets to be used.
Fix screen compatibility to allow some phones and phablets to be used.

This adds the compatible-screens dialog to make sure that only devices
that meet a certain dpi requirement can use the app.  This brings the
list to about 800 devices that could be used.  Doubling it from the 400+
devices before.

kingargyle/serenity-android,NineWorlds/serenity-android,kingargyle/serenity-android,NineWorlds/serenity-android,kingargyle/serenity-android,NineWorlds/serenity-android