Split UPGRADING

Split the upgrade instructions into several files, one file per version
in order to keep them small, readable and to avoid merge conflicts.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

upgrading/2.2.0.txt

@@ -0,0 +1,16 @@
+1. Add new "Users" table login IP address column:
+
+----
+ALTER TABLE Users
+	ADD COLUMN LastLoginIPAddress INTEGER UNSIGNED NOT NULL DEFAULT 0;
+----
+
+2. Add a new "Bans" table:
+
+----
+CREATE TABLE Bans (
+	IPAddress INTEGER UNSIGNED NOT NULL DEFAULT 0,
+	BanTS TIMESTAMP NOT NULL,
+	PRIMARY KEY (IPAddress)
+) ENGINE = InnoDB;
+----