Renamed SSH references due to SSHClient refactoring

Change-Id: I775cf0296f1dcb0ecb3a93a2443b8d37c66fcff8
Adds optional number of build retries for server behaviors

* Added number of attempts to the create_active_server function
  to allow for optional retrying of builds if there is a fault
  or timeout

Change-Id: I70385a265b55ecfc8f4851a5d59e75dd4799fa3f
Image API v2.0 Image Model, Client and Tests - Refactoring .

Refactors image model:
 - added Images class
 - corrected the key name - change 'member_id' to 'member' in '_obj_to_json' method
 - improved the implementation of '_list_to_obj()' method for Images class to now return an Images instance.

Refactors image client:
 - fixed serialization and deserialization issues in 'list_images()' method

Refactors member(s) tests:
 - fixed string to date object conversion issues.

Change-Id: I690409930fc50822289500ae898f27a6c791f120
Merge "Renamed SSH references due to SSHClient refactoring"
Merge "Updating config and behavior for rsyslog update"
Merge "Image API v2.0 Image Model, Client and Tests - Refactoring ."
Fixing tenant cleanup in behavior

Change-Id: I5bd6b58106dd4a13aa576b3068b0306c2e94a52a