added coral textures

changelog.txt

@@ -1,6 +1,7 @@
 2016-12-02: renamed nyancat textures, added default stone block and 
 desert stone block, reworked stone/desert stone brick to match, new 
-sandstone block texture, reworked sandstone brick to match
+sandstone block texture, reworked sandstone brick to match, added 
+default coral textures
 
 2016-08-19: completed support for cottages mod's feldweg meshes
 

image-credits.txt

@@ -255,6 +255,9 @@ https://commons.wikimedia.org/wiki/File:Straw_bale_wall.JPG
 default diamond:
 https://commons.wikimedia.org/wiki/File:Crystal_Head_Vodka_Herkimer_diamonds.jpg
 
+coral:
+https://commons.wikimedia.org/wiki/File:Colpophyllia_natans_(Boulder_Brain_Coral)_entire_colony.jpg
+
 hatches, throwing
 ----------------
 hatches_hatch