Protect against block breaking and block placing in jails

Unless the player has admin permission. This does not include the
penalties as those will be done in a future commit. This also has a
little better performance on the block placing and breaking events, if
these checks are disabled.

src/main/resources/config.yml

@@ -13,6 +13,8 @@ storage:
     password: 'password'
 jailing:
   during:
+    blockBreakProtection: true
+    blockPlaceProtection: true
     countDownTimeWhileOffline: false
     ignoreSleeping: true
     maxAFKTime: 10m #in minutes