Include hyper-v package in inst-sys and rescue

... to enable the host to query IP addresses.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Add ed25519_key to predefined ssh keys

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Add mount-rootfs-and-do-chroot.sh to inst-sys and rescue (bnc#674684)

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Merge pull request #10 from olafhering/olh-misc

changes for sles12