remove ssh copy keys helper from install

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
do SSH magic when running new only

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
create a local connection helper

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
a new module for SSH utilities

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>