Fix scrolling in battle

Signed-off-by: Gaurav Munjal <Gaurav0@aol.com>
Defense message not shown

Signed-off-by: Gaurav Munjal <Gaurav0@aol.com>
Item costs not right justified

Signed-off-by: Gaurav Munjal <Gaurav0@aol.com>
Sell menu should clear on sale.

Signed-off-by: Gaurav Munjal <Gaurav0@aol.com>