Update to Minecraft 1.15

By: md_5 <git@md-5.net>

paper-server/nms-patches/EntityFallingBlock.patch

@@ -9,7 +9,7 @@
  public class EntityFallingBlock extends Entity {
  
      private IBlockData block;
-@@ -73,7 +75,7 @@
+@@ -70,7 +72,7 @@
  
              if (this.ticksLived++ == 0) {
                  blockposition = new BlockPosition(this);
@@ -18,7 +18,7 @@
                      this.world.a(blockposition, false);
                  } else if (!this.world.isClientSide) {
                      this.die();
-@@ -124,6 +126,11 @@
+@@ -121,6 +123,11 @@
                                      this.block = (IBlockData) this.block.set(BlockProperties.C, true);
                                  }
  
@@ -30,7 +30,7 @@
                                  if (this.world.setTypeAndData(blockposition, this.block, 3)) {
                                      if (block instanceof BlockFalling) {
                                          ((BlockFalling) block).a(this.world, blockposition, this.block, iblockdata);
-@@ -180,7 +187,9 @@
+@@ -177,7 +184,9 @@
                  while (iterator.hasNext()) {
                      Entity entity = (Entity) iterator.next();