Negate 'groupmanager.noofflineperms' by default in the owner group.

EssentialsGroupManager/src/Changelog.txt

@@ -208,3 +208,4 @@ v 2.0:
 	- Synchronize the raising of GroupManager events to Bukkit.getServer() (should prevent deadlocks).
 	- Synchronize pushing to Bukkit perms to prevent any ConcurrentModificationException.
 	- Do not grant any permissions (nor update Bukkit) if the server is in offline mode and the player has the permission node 'groupmanager.noofflineperms'.
+	- Negate 'groupmanager.noofflineperms' by default in the owner group.

EssentialsGroupManager/src/groups.yml

@@ -65,6 +65,7 @@ groups:
     default: false
     permissions:
     - '*'
+    - -groupmanager.noofflineperms
     - -vanish.*
     inheritance:
     - admin