Remove spikes/player bashing.  Get monster bashing working again.
Finish code changes necessary to remove CHR
Remove CHR from edit files.
Remove CHR from race/class definitions
Tone down gold drops to account for store prices being 10% lower on average.
Make monster damage always visible in lore if the monster attack is visible.
Make a monster's AC appear after only one kill.
Remove yet more uses of passing around indexes into the monster array - the last ones AFAICT.  Closes #1499.
Replace another index reference into k_info with pointers
Remove potion of pleasing effect
Fixup loading edit file
Merge remote-tracking branch 'takkaria/lore'
Merge remote-tracking branch 'takkaria/1499-idx-removal'
Merge remote-tracking branch 'takkaria/remove-chr'
Fix tests post-CHR removal
Various ring balance changes:
* Remove =susChr (first commented out in 2010)
* Replace rings of rFire & rCold with one ring, rFire&Cold
* Remove never-implemented =Dark
* Move =Flames/Ice/Lightning/Acid higher in the dungeon
* No rings are now native <DL10
Make TELEPORT flag trigger teleport 2x as often.
Tweak mushrooms: fast recovery heals some HP, clear mind heals 10SP.
Substantially increase duration of telepathy from ,SecondSight and rConf from ,ClearMind.
Double speed of Terror effect.