Adds quarterstaff and ironshod quarterstaff, spawns, and recipes.

Seriously, we didn't have a staff. How did we miss that?
Adds 40mm buckshot as well as flechette ammunition for several weapons.
Space fix.
Tweak.
Recipe.
Tweak.
Textify!
Tweak.
Change FULL_SCREEN_HEIGHT from 25 to 24.
Update main menu screen to 24-line height.
Move a bunch of stuff from output.cpp to color.cpp.
Recipe tweak.
Add centre_print() function for centered printing.
Rename centre ~> center because "color".
Center the version number string in the main manu display.
Damage tweak.
Update character creation screen for 24-line compatibility.
Recipe tweak.
Recipe tweak.
Replace mindlessly arrogant terminal size message.