[Bleeding] Implement Mojang command fallback system. Adds BUKKIT-5385

By: t00thpick1 <t00thpick1dirko@gmail.com>

paper-server/src/main/resources/configurations/bukkit.yml

@@ -2,10 +2,10 @@
 # As you can see, there's actually not that much to configure without any plugins.
 # For a reference for any variable inside this file, check out the bukkit wiki at
 # http://wiki.bukkit.org/Bukkit.yml
-#
+# 
 # If you need help on this file, feel free to join us on irc or leave a message
 # on the forums asking for advice.
-#
+# 
 # IRC: #bukkit @ esper.net
 #    (If this means nothing to you, just go to http://webchat.esper.net/?channels=bukkit )
 # Forums: http://forums.bukkit.org/forums/bukkit-help.6/
@@ -44,9 +44,7 @@ auto-updater:
     preferred-channel: rb
     host: dl.bukkit.org
     suggest-channels: true
-aliases:
-#    icanhasbukkit:
-#    - version
+aliases: now-in-commands.yml
 database:
     username: bukkit
     isolation: SERIALIZABLE

paper-server/src/main/resources/configurations/commands.yml

@@ -0,0 +1,4 @@
+command-block-overrides: []
+aliases:
+    icanhasbukkit:
+      - version