Move some generation arrays to dynamic allocation
Change of plan - revert stuff, rename default to classic
Dynamically allocate cave struct arrays
Prepare for removal of FEAT_WALL_*
Remove FEAT_WALL_*
Recolour permanent walls - please opine
Add digging and nourishment properties to objects
Factor out the calculation of the chances of digging through terrain, so that action and description are guaranteed to be in sync.
Merge pull request #322 from ajps/digging-chance

Factor out the calculation of the chances of digging through terrain so that action and description are guaranteed to be in sync.
Merge branch 'restruct' of http://github.com/angband/angband into restruct-lua
Update object digging property to use calc_digging_chances()