Add --quiet option and --outputdir for genpoi.

The --quiet option suppresses progress messages.  It still needs to
suppress messages in items.py though
Corrections for POI location functions

Unable to identify room_size but use <<4 instead as this is the same.
This should be close enough.
Merge branch 'sshipway-genpoi' into development
Added genpoi to changelog. Whitespace cleanup.
Updated contributors. Added docs link.
Fix readme file being selected as a book. Issue #219

Fix readme file being selected as a book. Issue #219

What was I thinking?!
Add some new items and materials. Issue #197
Forges now have a loot table. Closes #223
CHANGELOG updates.
Add new blocks for 14w32d. Hallway now have random doors

Add new blocks for 14w32d. Issue #197

Hallways will now have random wooden doors.
Add red sandstone to columns feature.
Add more column types to Throne Room.
Flesh out entity utility functions. Issue #224

Endermites
Rabbits
Horses
Guardians
Giants
NoAI tag
Leashed and Leash tags
Career, CareerLevel, and Willing to Villagers
CanBreakDoors to zombies
Owner / Thrower to item
ArmorStand
Red sandstone for mesa step pyramids. Issue ##225
CHANGELOG updates.
Quick fix for books using minecraft:written_book.

Issue #208
Issue #224
Add meta_decoratedredsandstone to instructions

Add meta_decoratedredsandstone to the instructions in default.cfg Issue
#225
Expands get_tile_entity_tags()

* Limit CustomName to ents that use it
* CustomName is optional.
* Limit Lock to ents that use it
* Adds Banners
* Adds Data tag to FlowerPot
* Adds Furnace
* Adds Hopper
* Adds Music
* Adds RecordPlayer
Expands get_tile_entity_tags()

* Limit CustomName to ents that use it
* CustomName is optional.
* Limit Lock to ents that use it
* Adds Banners
* Adds Data tag to FlowerPot
* Adds Furnace
* Adds Hopper
* Adds Music
* Adds RecordPlayer

Issue #224
Merge branch 'development' of github.com:orphu/mcdungeon into development