build: move/merge files

the control files were merged as appropriate, the rest are plain
renames.

debian/copyright

@@ -0,0 +1,31 @@
+This is a prepackaged version of the Linux kernel binary image.
+
+This package was put together by Proxmox Server
+Solutions GmbH <support@proxmox.com>.
+
+We use the RHEL7 kernel sources, available from:
+
+ftp://ftp.redhat.com/redhat/rhel/
+
+Linux is copyrighted by Linus Torvalds and others.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 dated June, 1991.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+The complete text of the GNU General Public License can be found in
+`/usr/share/common-licenses/GPL-2'.
+
+
+ZFS module is licensed under the Common Development and Distribution 
+License (CDDL).
+