HardTop Realaccurate v0.2.0 EA

changelog
* major cleanup
* used licence-free textures where applicable:
	* grass path, farmland, nether bricks and red nether bricks, pumpkin, sand, redstone block, anvil,
		ice, blue ice, frosted ice, packed ice
* improved cobblestone & mossy cobblestone (inspired by Mojang's vanilla pattern) 
* fixed grass path side normals
* improved tiling on walls/stairs for most of POM-intensive blocks:
	* cobblestone, mossy cobblestone, stone bricks, mossy stone bricks, sandstone, red sandstone, blackstone
* improved crying obsidian
* improved gravel POM/normals
* fixed grass block side POM
* improved iron & redstone blocks + redstone rails
* improved pumpkin top (stem)
* improved coal ore (albedo/AO + various small scale details)
* improved iron ore (same) and tweaked roughness of iron
* improved gold ore (same) and reworked albedo's baked in highlights
* improved diamond ore (same) and dramatically improved individual ores edges/silhouettes
* improved redstone ore (same) and dramatically improved individual ores edges/silhouettes

* added barrel top open texture but used custom model for open barrel (can fallback to default behavior by deleting /models/block/barrel_open.json)
* added cracked nether bricks
* added oak/dark oak/spruce/birch/jungle/acacia leaves
* added black/blue glazed terracotta
* added bone block side+top
* added TNT side+bottom+top


added
* barrel_top_open
* cracked_nether_bricks
* blackstone_wall
* blackstone_top_wall
* cobblestone_wall
* mossy_cobblestone_wall
* stone_bricks_wall
* mossy_stone_bricks_wall
* red_sandstone_wall
* sandstone_wall
* oak_leaves
* spruce_leaves
* birch_leaves
* dark_oak_leaves
* acacia_leaves
* jungle_leaves
* black_glazed_terracotta
* blue_glazed_terracotta
* bone_block_side
* bone_block_top
* tnt_side
* tnt_top
* tnt_bottom


changed
* farmland
* farmland_moist
* grass_path_top
* grass_path_side
* nether_bricks
* red_nether_bricks
* pumpkin_side
* pumpkin_top
* sand
* redstone_block
* anvil
* anvil_top
* chipped_anvil_top
* damaged_anvil_top
* ice
* blue_ice
* packed_ice
* frosted_ice_0 to 3
* cobblestone
* mossy_cobblestone
* crying_obsidian
* gravel
* iron_block
* redstone_block
* activator_rail
* activator_rail_on
* powered_rail
* powered_rail_on
* detector_rail
* detector_rail_on
* pumpkin_top
* coal_ore