Fixed buttons being duplicated when resizing.
Fixed some screenshots being messed up with some resolutions.
Adding missing import.
Merge pull request #235 from fragmer/master

Revert "Merge pull request #233 from tyteen4a03/master"
Merge pull request #234 from UnknownShadow200/ResizeFixes

Bug fixes related to resizing.
Removed useless imports, enforce import ordering
Cleanup on de.jarnbjo.*
Cleanup com.mojang.net and util
Cleanup mojang.minecraft.sound
Cleanup com.mojang.minecraft.render
Cleanup com.mojang.minecraft.physics and player
Cleanup com.mojang.minecraft.net and particle
Cleanup NBT library, removed unused files
Cleanup com.mojang.minecraft.mob and player
Fix SandBlock.java raising NullPointerException
Cleanup com.mojang.minecraft.item and level
Cleanup com.mojang.minecraft.gui (and dependency com.mojang.minecraft.MonitoringThread
Cleanup com.mojang.minecraft
Fixed a short wrongly cast to byte
Cleanup com.mojang.minecraft.Minecraft