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>

zipl/include/bootmap.h

@@ -0,0 +1,27 @@
+/*
+ * s390-tools/zipl/include/bootmap.h
+ *   Functions to build the bootmap file.
+ *
+ * Copyright IBM Corp. 2001, 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 BOOTMAP_H
+#define BOOTMAP_H
+
+#include "disk.h"
+#include "job.h"
+#include "zipl.h"
+
+
+int bootmap_create(struct job_data* job, disk_blockptr_t* program_table,
+		   disk_blockptr_t *scsi_dump_sb_blockptr,
+		   disk_blockptr_t** stage2_list, blocknum_t* stage2_count,
+		   char** device, struct disk_info** new_info);
+void bootmap_store_blockptr(void* buffer, disk_blockptr_t* ptr,
+			    struct disk_info* info);
+
+#endif /* if not BOOTMAP_H */