Added initial script for MySQL (thanx Wouter de Geus). Closes #1.

SQL/mysql.initial.sql

@@ -0,0 +1,38 @@
+CREATE TABLE IF NOT EXISTS ident_switch
+(
+	id
+		int(10) UNSIGNED
+		NOT NULL
+		AUTO_INCREMENT,
+	user_id
+		int(10) UNSIGNED
+		NOT NULL,
+	iid
+		int(10) UNSIGNED
+		NOT NULL,
+	username
+		varchar(64)
+		NOT NULL,
+	password
+		varchar(64),
+	host
+		varchar(64),
+	port
+		int
+		CHECK(port > 0 AND port <= 65535),
+	delimiter
+		char(1),
+	label
+		varchar(32),
+	flags
+		int
+		NOT NULL
+		DEFAULT 0,
+	UNIQUE KEY user_id_label (user_id, label),
+	CONSTRAINT fk_user_id FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT fk_identity_id FOREIGN KEY (iid) REFERENCES identities(identity_id) ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY(id),
+	INDEX IX_ident_switch_user_id (user_id),
+	INDEX IX_ident_switch_iid (iid)
+);
+