Finishing up Scrolls of Ward and of Warding

Special thanks to tedav/‎Ozymandias for talking me into making these :-)
Standardizing return statements in apply.c
Ward improvements:

Engravings on rings can be transfered to the ground by experienced chaotic characters or hallucinating characters.

Thanks to tedav for the YANI :-).
Bug fixes for the scroll of warding.

Missing messages, incorrect increment