Add missing textures and models from Chorus' Version

This also helps in preparing for the Nether Update (1.16). Textures were
optimised using OptiPNG by:

optipng -o7 -nx

followed by a second run with the defaults.

assets/minecraft/optifine/ctm/FixesCTM/block143.properties

@@ -0,0 +1,3 @@
+faces=all
+tiles=2
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block70.properties

@@ -0,0 +1,3 @@
+faces=all
+tiles=3
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block72.properties

@@ -0,0 +1,3 @@
+faces=all
+tiles=1
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block77.properties

@@ -0,0 +1,3 @@
+faces=all
+tiles=4
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block79.properties

@@ -0,0 +1,2 @@
+tiles=14
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block84.properties

@@ -0,0 +1,4 @@
+faces=top
+tiles=7
+metadata=0
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block84a.properties

@@ -0,0 +1,3 @@
+faces=top
+tiles=8
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block84b.properties

@@ -0,0 +1,3 @@
+faces=north south
+tiles=6
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block86.properties

@@ -0,0 +1,3 @@
+faces=bottom
+tiles=0
+method=fixed

assets/minecraft/optifine/ctm/FixesCTM/block91.properties

@@ -0,0 +1,3 @@
+faces=bottom
+tiles=0
+method=fixed

assets/minecraft/optifine/ctm/GlassBlackCTM/block95.properties

@@ -0,0 +1,3 @@
+method=ctm
+tiles=0-46
+metadata=15