Improve ConcurrentModificationException handling for PluginManager. User CopyOnWriteArrayList instead of iterator
Improve ConcurrentModificationException handling for PluginManager. User CopyOnWriteArrayList instead of iterator

hudson/hudson-2.x,hudson/hudson-2.x,hudson/hudson-2.x,hudson/hudson-2.x,hudson/hudson-2.x,hudson/hudson-2.x