Bukkit

- fix Strangeblocs_backup file to update new id for fixed strangeblocs
- add process to restore removed rune in the clean command /runesclean

for clearlagg user maker sure to add filter on Emerald in the ClearLagg config) :

command-remove:
---
  item-filter:
    - Emerald
auto-removal:
---
  item-filter:
    - Emerald