Fix some compiler warnings and some spacing.
use the new file_ functions in more places.
a couple small tweaks for the android port.
Change analyze_file() so it does not modify the filename.
remove some old code and fix some spacing.
Show stair quest info from map screen.
Fix some compiler warnings.
Add another ui override hook.
Add an option to walk instead of run with mouse clicks.
Add mouse support to target_set_interactive.
Add some missing return values.
Fix test for dungeons with same directions. And some minor corrections.
Removed some code that can lead to a lockup, for now.