Pixel Perfection - Freshly Updated!

-lang pack updated for consistency
-tweaked a couple of tinted glass textures
-updated spruce log
-fixed issue for optifine users where fancy graphics leaf textures would not display properly
-alt textures for all leaves
-alt textures for granite, andesite, diorite
-completely new texture for andesite
-fixed issue of things in flowerpots being darker than the should be
-added custom texture for item frame border
-added custom top and bottom texture for command blocks
-updated anvil texture and model
-alt textures for all logs
-new farmland textures
-textured barrier block
-removed forced shading on a couple of light sources to match glowstone (redstone lamp and sea lantern)

-removed a huge amount of unneeded model and blockstate files fixing a couple of issues (they were also outdated)