Add multipath config examples

EUCA-5766
Added scripts for migration support
Added sc client policy xml file
EUCA-5697 Add kernel parameters for CC and NC
Add euca-modify-instance-type-attribute
Revert "Add euca-modify-instance-type-attribute"

This reverts commit 9deb1f92241ac416476905c86d450812f7931983.
Revert "Revert "Add euca-modify-instance-type-attribute""

This reverts commit 86b665bf0f261e671828fa694c321dde6a385951.
Drop instance type admin tools (moved to euca2ools)