Don't cancel the event if some of block are protected. #2

After my rebase fail. A big SORRY for this men!
Here a rebased pullrequest. If someone wants to see the comments or want to comment on the original request:
[Don't cancel the event if some of block are protected.](https://github.com/sk89q/worldguard/pull/292)

KingNyuels
sk89q/worldguard#292