Set secure Ciphers and MACs for ssh server
Set secure Ciphers and MACs for ssh server

Default configuration of sshd daemon on CentOS and Ubuntu server has
enabled ciphers and MACs which are considered as insecure. We can
explicit define list of ciphers without those which use CBC mode,
and not use old hmac algorithms.

Change-Id: Ie37efd9bafb10183e040df78ac1c896291376266
Closes-Bug: 1408595

ddepaoli3/fuel-main-dev,teselkin/fuel-main,eayunstack/fuel-main,zhaochao/fuel-main,Fiware/ops.Fuel-main-dev,Fiware/ops.Fuel-main-dev,Fiware/ops.Fuel-main-dev,SmartInfrastructures/fuel-main-dev,AnselZhangGit/fuel-main,SergK/fuel-main,huntxu/fuel-main,AnselZhangGit/fuel-main,stackforge/fuel-main,dancn/fuel-main-dev,huntxu/fuel-main,eayunstack/fuel-main,ddepaoli3/fuel-main-dev,SergK/fuel-main,ddepaoli3/fuel-main-dev,AnselZhangGit/fuel-main,teselkin/fuel-main,ddepaoli3/fuel-main-dev,AnselZhangGit/fuel-main,eayunstack/fuel-main,teselkin/fuel-main,dancn/fuel-main-dev,zhaochao/fuel-main,zhaochao/fuel-main,stackforge/fuel-main,SmartInfrastructures/fuel-main-dev,dancn/fuel-main-dev,Fiware/ops.Fuel-main-dev,stackforge/fuel-main,huntxu/fuel-main,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,SergK/fuel-main,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,teselkin/fuel-main,dancn/fuel-main-dev