allow carrying digging tools inside the shop

less grindgenerating than credit cloning and detected as theft by the
game
reduce amount of candles dropped by wax golem

Currently way to many candles are produced - see discussion:
http://bilious.alt.org/rgrn/?120809,120810,120811,120814,120815,120817,120820,120828,120829,123459,123460,123461,123464,123465,123467,123470,123478,123479