Update/add README*, COPYING, etc

README.md

@@ -1,7 +1,13 @@
-# 幻想アリーナ
-東方Projectのファンゲームを目指したOpenArenaの改造
+# Illusion Arena
+A modification of OpenArena aimed to be a Touhou Project fan game
 
-## 目標
-* [ ] プレイヤーモデル（赤チームと青チームを含む）
-* [ ] 既知の場所の地図（博麗神社、守矢神社など）
-* [ ] ユーザーインターフェース
+## Goals
+* [ ] Player models (including red and blue teams)
+* [ ] Map of known locations (Hakurei Shrine, Moriya Shrine, etc.)
+* [ ] User interface
+
+## Differences from OpenArena
+* "Quad damage" works the same as in the original Quake
+* Team flags have their own pickup sound effects
+* Machine guns can be dropped like other weapons
+* Special game modes have infinite ammo