Remove the old method of handling skills
Add a debugmsg about null itypes in a constructor
Fix saving of null strings in player_activity
Fix a chatbin save bug that got introduced
Stop some newwin memory leaks by adding delwin calls
Show a message when looking at container tiles
Fix recipe parsing - in MSVC, catajson.as_string().c_str() becomes invalid too soon
Merge pull request #1302 from ethankaminski/delwin-adding-1

Stop some newwin memory leaks by adding delwin calls
Merge notification that contents of containers aren't visible.
Merge string handling bugfixes.