Diplomacy - Update https://github.com/diplomacy/diplomacy

Age	Commit message (Expand)	Author
2019-09-14	Added ReadtheDocs documentation for the public API	Philip Paquette
2019-07-16	Web - User should auto-pass when no orders are possible. (#43)	notoraptor
2019-06-14	Using OrderResults to indicate the correct order results during adjudication	Philip Paquette
2019-06-14	Added 'retreats' as an additional attribute to game.get_state()	Satya Ortiz-Gagne
2019-04-18	Refactored get_all_possible_orders for 2.5x speed improvement	Philip Paquette
2019-04-18	Updated pylint to v2.3.0	Philip Paquette
2019-04-18	Add _unit_owner caching (#11)	Setepenre
2019-04-18	Upgraded pylint to v2.2.0	Philip Paquette
2019-04-18	DATC 6.K.2 - Testing support of fleet in failed convoy	Philip Paquette
2019-04-18	DATC 6.K.1 - Testing Civil Disorder (W1901A) with 1 order and 2 to remove	notoraptor
2019-04-18	Map - Modified norm() and compact()	notoraptor
2019-04-18	Release v1.0.0 - Diplomacy Game Engine - AGPL v3+ License	Philip Paquette