Adds the base for polygonal rooms.

First room is a diamond shaped room with hallway entrances.
Adds Alcove rooms.
Fixes silly/terrible bug in Diamond.
Limit written books title to 32 chars. Issue #229
Alter titles of books to stay inside 32 char limit.

Alter titles of books to stay inside 32 char limit.
Issue #229
Another try at one title. Issue #229
Cleanup.
Merge branch 'development' of github.com:orphu/mcdungeon into development
Shorten thunt names. Protect against long titles.  Whitespace cleanup.

Issue #229
Hide traps on maps.

Issue #241
Hide secret rooms from maps.

Closes #241
Run away!
Add per dungeon flag design. Issue  #216

So far, placed in shops only.
Add convert to ordinal utility function
Add 1-3 flyers per secret shop. Issue #240

- Add 1-3 flyers per secret shop
- Add promo_text to shop configs. Text goes on the flyer
Use ordinal util for book editions
Slight tweak to flag generator. Issue #216
Merge remote-tracking branch 'upstream/development' into development