Add bcreload command to reload the configuration file
Fix NullPointerException bug when a book in inventory is empty
Fix NullPointerException bug when a book in inventory is empty
Create Returnable interface, let ReturnAddressBook and AddressInventory
implement it. Add returnable bit in inventory and net.src.addr parameter
in book.
Add BC7015 sign
Add BC7016 and BC7017 sign
Add bcticket command to create book ticket
Accept as tickets only books signed by the plugin with bcticket
Add return address.
Add BC7015, BC7016 and BC7017 signs.
Add bcticket command to create book tickets.
Accept only book tickets created by bcsign as address storage.