Item to catch mobs the same: egg
Resource changed: gold nugget (used to be redstone)
Here is a condensed version of the config file for your public knowledge.
Amount is the amount of gold nuggets it costs to attempt to catch the mob.
Chance is the percent % chance you will catch it in an attempt.
Long story short,
Hostile mobs have a 25% chance and are more expensive.
Friendly farm mobs have a 95% chance and are 6 nuggets (chickens are 2).
Pet mobs have a 100% chance and are 10 nuggets.
Golems and villagers have a 50% chance, snow golems are 5, iron golems 10, and villagers 32.
PigZombie:
Amount: 10
Chance: 25
MagmaCube:
Amount: 8
Chance: 25
CaveSpider:
Amount: 10
Chance: 25
Creeper:
Amount: 16
Chance: 25
Skeleton:
Amount: 8
Chance: 25
Spider:
Amount: 8
Chance: 25
Zombie:
Amount: 12
Chance: 25
Slime:
Amount: 8
Chance: 25
Ghast:
N/A
Enderman:
Amount: 12
Chance: 25
Silverfish:
Amount: 1
Chance: 25
Blaze:
N/A
Pig:
Amount: 6
Chance: 95
Sheep:
Amount: 6
Chance: 95
Cow:
Amount: 6
Chance: 95
Chicken:
Amount: 2
Chance: 95
Squid:
Amount: 1
Chance: 95
Wolf:
Amount: 10
Chance: 100
AngryWolf:
Amount: 10
Chance: 100
Mooshroom:
Amount: 6
Chance: 95
Villager:
Amount: 32
Chance: 50
Ocelot:
Amount: 10
Chance: 100
IronGolem:
Amount: 10
Chance: 50
SnowGolem:
Amount: 5
Chance: 50
Enderdragon:
N/A
Witch:
Amount: 8
Chance: 25
Bat:
Amount: 1
Chance: 90
WitherSkeleton:
Amount: 16
Chance: 25
Wither:
N/A
Horse:
Amount: 10
Chance: 100