add --memorialdir option for mapsharing and fix hardcoded memorial path
Fixed code for friendliness between two creatures
Replaced some inappropriate bit shifts with division and multiplication
Renamed tc/stc into bresenham_slope/selected_slope
Removed the obsolete game::mondebug()
Merge remote-tracking branch 'origin/pr/10480'

* origin/pr/10480:
  add --memorialdir option for mapsharing and fix hardcoded memorial path
Merge remote-tracking branch 'origin/pr/10495'

* origin/pr/10495:
  Removed the obsolete game::mondebug()
  Renamed tc/stc into bresenham_slope/selected_slope
  Replaced some inappropriate bit shifts with division and multiplication
  Fixed code for friendliness between two creatures

Conflicts:
	src/monattack.cpp