SSHAuth object: copy into SSHClient instance on create
SSHAuth object: copy into SSHClient instance on create

SSHAuth object: copy into SSHClient instance on create:
this fix issue, when as result we will have 1 instance of SSHAuth object
for multiple connections.

Change-Id: Ie4160baa0edd8bd9ea4b4690ae68f10e9839d16c

stackforge/fuel-devops,stackforge/fuel-devops