Better Book Shelfs

* changelog
*
* added paper to the whitelist
* added maps to the whitelist
* the whitelist is the items that can go into a bookshelf
*
* added locks
*   to lock a bookshelf -> open a bookshelf sneaked with a renamed tripwire hook to lock it (the name is the code)
*   to unlock a bookshelf -> open a bookshelf sneaked with a renamed tripwire hook to unlock it (the name must be the code)
*   to open a locked bookshelf -> open the bookshelf while holding a tripwire hook with the name of the lock