Send Bukkit scoreboards as well as vanilla boards

Fixes GH-384

Spigot-Server-Patches/0127-Configurable-Player-Collision.patch

@@ -35,7 +35,7 @@ diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/
 index 91e52f9..f133b32 100644
 --- a/src/main/java/net/minecraft/server/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/PlayerList.java
-@@ -241,6 +241,14 @@ public abstract class PlayerList {
+@@ -241,6 +241,13 @@ public abstract class PlayerList {
      public void sendScoreboard(ScoreboardServer scoreboardserver, EntityPlayer entityplayer) {
          HashSet hashset = Sets.newHashSet();
          Iterator iterator = scoreboardserver.getTeams().iterator();
@@ -44,7 +44,6 @@ index 91e52f9..f133b32 100644
 +        if (!com.destroystokyo.paper.PaperConfig.enablePlayerCollisions && !iterator.hasNext()) {
 +            String teamName = org.apache.commons.lang3.StringUtils.left("collideRule_" + entityplayer.getWorld().random.nextInt(), 16);
 +            entityplayer.playerConnection.sendPacket(new PacketPlayOutScoreboardTeam(new ScoreboardTeam(scoreboardserver, teamName), 0));
-+            return;
 +        }
 +        // Paper end