add - paramiko dependecy.

Change-Id: I7bb4f7ce0f1b4321d498f8bdf3427bbf23bdcf41
rm - _get_current_lock_user, obsolete.

Change-Id: I60b3b54818bc883ed96304b4ec887ac3be942640
fix - align client default hook call.

Change-Id: Ie5eca7405a81adf104ae56781ab417f1e00191da
mod - refactor ssh_command to use SSHClient.

Change-Id: Ifeceab356fdec9609f9813716e5c2627bdae3ea2
fixes - to ssh_command_target and replace shelling in _check_lock.

Change-Id: Ib9cfe38e78e88a82c179100492f6048952573fc2
mod - use ssh_command for lock file create.

Change-Id: Ic46cfe934e4b0087afc67ad62355649a64817b28
mod - replace remaining shell outs to ssh with paramiko deps..

Change-Id: If138c42996287e4eb72529a3ec99bfacb5dec2f8
fix - handle bad method names, more verbose help.

Change-Id: I74a4a981e1769abcf9295cde87832849d8c1f3f3
fix / add - remove unnecessary tag / add tag generating method.

Change-Id: I12567f0fe8bb2da9634ca41cb048b57b989305c4
rm - resync method obsolete.

Change-Id: I4254245c3e0e04fe61f6b1459ba21ea33451ccb2
mod - scp_file utilizes config.

Change-Id: I69e3b1fd9c111399f0442b217f11b68d5599f69d
add - dummy ini for instance initialization.

Change-Id: I6f764d7493aaaae6cb81d43d2ee71cbd91ca31f3