Glitch or bug with furnace,armor,buckets,eating,zombies,sign up in mojang, wrong coding.

Furnace: Cant put fuel in furnaces, neither wood or coal.
Armor: Cant take armor.
Buckets: I cant get water neither lava with buckects or its hard to get it.
Eating: When you eat, the eating animation doesnt work, but you will still heal up with the food.
Zombies: Not sure if this will happen often but zombies wont attack when they are in water (Wont follow you)
Mojang sign up: Doesnt let me sign up! The create an account button doesnt work, and how can we play multiplayer?
Wrong coding: Slabs,dies for wool, melon seeds, and lapiz lazuli, these all have the wrong names! Like: tile.stone.Slab.name