Crosshair bugfix

Adds missing icons to icons.png, fixing a bug in 14w25b where areas
around the crosshairs were inverted.
Revert "Crosshair bugfix"

This reverts commit 3c60e6e675f72035b7ff54abe9ffefd1e664862d.
Merge pull request #1 from John-Smith-64x/master

added armour helmets
Crosshair bugfix

Applied Threshold Alpha to the crosshair image, to fix
partly-transparent pixels that were being inverted.
Merge pull request #6 from Pr0methean/master

Crosshair bugfix
experience bottle
remaining dyes
Bed + Flowerpot
Clayball + Slimeball + Spider Eyes
Paper

Didn't get much time today so only got one texture done, from here on
out I'm going to try getting to get least one done per day
Map Empty/Filled
Mushroom Brown
Added - Soul Sand
Added - Nether Wart
Added Zombie / Zombie Villager
Added - Credits.txt
Added - Obsidian
Added - diamond.png.mcmeta