Update to Minecraft 1.9

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

paper-server/nms-patches/BlockTripwireHook.patch

@@ -1,6 +1,6 @@
 --- a/net/minecraft/server/BlockTripwireHook.java
 +++ b/net/minecraft/server/BlockTripwireHook.java
-@@ -5,6 +5,8 @@
+@@ -4,6 +4,8 @@
  import java.util.Iterator;
  import java.util.Random;
  
@@ -8,9 +8,9 @@
 +
  public class BlockTripwireHook extends Block {
  
-     public static final BlockStateDirection FACING = BlockStateDirection.of("facing", (Predicate) EnumDirection.EnumDirectionLimit.HORIZONTAL);
-@@ -141,6 +143,17 @@
-             this.a(world, blockposition1, flag5, flag6, flag2, flag3);
+     public static final BlockStateDirection FACING = BlockFacingHorizontal.FACING;
+@@ -153,6 +155,17 @@
+             this.a(world, blockposition1, flag4, flag5, flag2, flag3);
          }
  
 +        // CraftBukkit start
@@ -24,6 +24,6 @@
 +        }
 +        // CraftBukkit end
 +
-         this.a(world, blockposition, flag5, flag6, flag2, flag3);
+         this.a(world, blockposition, flag4, flag5, flag2, flag3);
          if (!flag) {
              world.setTypeAndData(blockposition, iblockdata3.set(BlockTripwireHook.FACING, enumdirection), 3);