Add screen displaying home inventory.

Signed-off-by: nppangband <nppangbanddev@verizon.net>
Start of code for player scores (currently not working)

Signed-off-by: nppangband <nppangbanddev@verizon.net>
Fix knowledge screen + bug in quest.cpp reported by "RunningAway".

Signed-off-by: nppangband <nppangbanddev@verizon.net>