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/Configurable-Chunk-Inhabited-Timer.patch

@@ -9,7 +9,7 @@ aspects of vanilla gameplay to this factor.
 For people who want all chunks to be treated equally, you can disable the timer.
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+index e706efff5..2c682ccf7 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 @@ -0,0 +0,0 @@ public class PaperWorldConfig {
@@ -23,7 +23,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+index 736fa1f62..61d34fc37 100644
 --- a/src/main/java/net/minecraft/server/Chunk.java
 +++ b/src/main/java/net/minecraft/server/Chunk.java
 @@ -0,0 +0,0 @@ public class Chunk {