Update English locale dectorio.cfg to fix "unknown key" tooltip msgs.

[TheRealSaiph]

Added [entity-name] entries to prevent "unknown key" tooltip messages being shown when hovering over Dectorio tree recipes.

[TheRealSaiph]

This is my first time using Github to make a contribution. I have been closely following a tutorial on devmountain.com, so I hope everything will work ok. If anyone notices any problems, please let me know and I will try to fix them. Thanks.