Initial s390-tools-2.0.0 import

This commit is based on the s390-tools-1.39.0 version.

Changes on top of s390-tools-1.39.0:

 - Add MIT license to all source files
 - Add LICENSE file
 - Transform REAMDE to README.md (markdown)
 - Add AUTHORS.md file
 - Add CONTRIBUTING.md file
 - Move changelog from README to CHANGELOG.md file

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>

zdev/include/ctc.h

@@ -0,0 +1,31 @@
+/*
+ * zdev - Modify and display the persistent configuration of devices
+ *
+ * Copyright IBM Corp. 2016, 2017
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#ifndef CTC_H
+#define CTC_H
+
+#include <stdbool.h>
+
+#define	CTC_MOD_NAME		"ctcm"
+#define CTC_CCWGROUPDRV_NAME	"ctcm"
+#define CTC_CCWDRV_NAME		"ctcm"
+#define CTC_ROOTDRV_NAME	"ctcm"
+#define	CTC_NUM_DEVS		2
+
+struct devtype;
+struct namespace;
+struct ccw_devid;
+
+extern struct devtype ctc_devtype;
+extern struct namespace ctc_namespace;
+
+void ctc_exit(void);
+bool ctc_confirm(struct ccw_devid *);
+
+#endif /* CTC_H */