fix to add pipefail.
organize execscript/vneskins.base/.
organize execscript/vteskins.kvm/.
remove duplicated config.
move adding itest public key to add-itest-pubkey.sh.
reorganize execscript.
replace kemukins-init.sh for vnet-itest.
Merge pull request #15 from wakameci/organize-execscript

Organize execscript