Update upstream B/CB/S

Adds /paper command for reloading the paper config.
Closes GH-639

Per-world config logging has been removed in favor of all or nothing
logging for all paper settings. I don't believe it was used enough to
warrant maintaining. If this is not the case it should be possible to
re-add it.

Spigot-Server-Patches/Set-health-before-death-event.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Set health before death event
 
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
-index 7da844e43..4103d4966 100644
+index 7f02ac219..0b4468726 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
 @@ -0,0 +0,0 @@ public class PaperConfig {
@@ -19,7 +19,7 @@ index 7da844e43..4103d4966 100644
 +    }
  }
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
-index eeb4f5b32..b7e832f31 100644
+index 348a8c758..c0103cb39 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
 @@ -0,0 +0,0 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {