Add section to COPYING.rtro listing the images that can be traced back to 0.10.

COPYING.rtro

@@ -93,6 +93,62 @@ knife, fork, spoon, utensils: Created by SilverNexus, only alteration from base
 Images with attribution of author, but no known license:
 altardevo, altargaea, altargnarg, altarvalr, altargoro, altarlyth, altarmostr, altarnone, altarrugg: David Sundqvist (added 0.93.3)
 
+Images that originally shipped with 0.10 (and thus are attributable to Frank Tore Johansen):
+armour/helmet/helmet: Derived from 0.10 image, but not identical. Colorized.
+- Derivatives of helmet:
+-- b_helmet
+armour/mail/ring_mail: Colorized, but otherwise appears to be identical.
+armour/shield/highshield: Colorized, maybe adjusted? Looks more crowded colorized than not.
+door/key1: Colorized, but otherwise appears to be identical.
+door/odoor_1: Colorized, but otherwise appears to be identical.
+- Derivatives of odoor_1:
+-- door/odoor_1_fant_blue-green
+-- door/odoor_1_fant_blue-yellow
+-- door/odoor_1_fant_brown
+-- door/odoor_1_fant_red-white
+-- door/odoor_1_fant_red-yellow
+door/odoor_2: Colorized, but otherwise appears to be identical.
+- Derivatives of odoor_2:
+-- door/odoor_2_fant_blue-green
+-- door/odoor_2_fant_blue-yellow
+-- door/odoor_2_fant_brown
+-- door/odoor_2_fant_red-white
+-- door/odoor_2_fant_red-yellow
+misc/gravestone: Colorized, though barely noticeably. Some shading appears to have been added in colorization.
+- Derivatives of gravestone:
+-- misc/gravestone2
+-- misc/broken_gravestone
+monster/animal/mouse: Looks possibly redrawn in addition to colorized.
+monster/animal/mouse_gen: Colorized, but otherwise appears to be identical.
+spell/Bullet/bullet.112: Appears to be unused in later versions, but was left in the files with a simpler colorization.
+spell/Bullet/Fire/fireball: Looks to be redrawn in addition to colorized, but is clearly derived from the 0.10 work.
+- Derivatives of fireball:
+-- spell/Bolt/firebolt
+spell/Bullet/Fire/firebullet: Only N,E,S,W directions are original to 0.10. Diagonals must have come later.
+- Derivatives of firebullet:
+-- misc/blackfirebullet
+-- spell/Bullet/snowball
+spell/MagicMissile/magic_miss: Colorized, but otherwise appears to be identical.
+wall/wall/wall_*: Except wall_0, wall_55, and wall_AA, the rest are either colorized versions of 0.10 images or derived from them. wall/wall/window walls are also derived from the affected walls.
+weapon/axe/axe_1: Colorized, but otherwise appears to be identical.
+weapon/bow/arrow: All 8 directional facings are colorized versions of images in 0.10. The stationary face is not.
+- Derivatives of arrow:
+-- weapon/bow/arrow_assassinating_dragon
+-- weapon/bow/arrow_fire
+-- weapon/bow/arrow_frost
+-- weapon/bow/arrow_lightning
+-- weapon/bow/arrow_magic
+-- weapon/bow/arrow_paralysis
+-- weapon/bow/arrow_poison
+-- weapon/bow/arrow_slay_dragon
+weapon/bow/bow: Colorized, but otherwise appears to be identical.
+- Derivatives of bow:
+-- weapon/bow/compositebow
+-- weapon/bow/huntersbow
+weapon/club/club: Colorized, but otherwise appears to be identical.
+weapon/mace/mace_1: Colorized, but otherwise appears to be identical.
+weapon/sword/sword_1: Colorized, but otherwise appears to be identical.
+
 Known problem images:
 g_worm, purple_worm: These are ripoffs of Final Fantasy worms, and should be replaced.
 GreatDemon, medium_demon, fiend: These are ripoffs of the demon designs from 1994 DOS game Dark Legions. GreatDemon is basically a Dark Legions demon posterized to 3 colors, and medium_demon and fiend were derived from GreatDemon.