[Auto] Updated Upstream (CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
7c395d42 SPIGOT-4681: Note about additional world creation on STARTUP

Spigot-Server-Patches/Further-improve-server-tick-loop.patch

@@ -12,7 +12,7 @@ Previous implementation did not calculate TPS correctly.
 Switch to a realistic rolling average and factor in std deviation as an extra reporting variable
 
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index df85f35f37..7ca7b9f3ac 100644
+index df85f35f3..7ca7b9f3a 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
@@ -161,7 +161,7 @@ index df85f35f37..7ca7b9f3ac 100644
                      this.nextTick += 50L;
                      // Spigot end
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index dd07d0d146..76fb126305 100644
+index 351313d98..7b4af7a90 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -0,0 +0,0 @@ public final class CraftServer implements Server {
@@ -183,7 +183,7 @@ index dd07d0d146..76fb126305 100644
      {
  
 diff --git a/src/main/java/org/spigotmc/TicksPerSecondCommand.java b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
-index be2e31deae..6d21c32692 100644
+index be2e31dea..6d21c3269 100644
 --- a/src/main/java/org/spigotmc/TicksPerSecondCommand.java
 +++ b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
 @@ -0,0 +0,0 @@