Add scp support using start/finish

Add of scp support using new start/finish execute

Usage: scp file1 [File2 .. fileN] target:[path]
The scp you are on the shell you want to transfer from.

Change-Id: Ic410dd2b26c49e1d325f7986e187bf9160428d25
change this to send "get_req_node_info $NODE SSH_PASS"