mussel,test: login_to() -> ssh().
mussel,test: move helper functions to helper_shunit2.sh.
mussel,test: split create_security_group() and create_instance() to render_*.
mussel,test: move common variables to helper_shunit2.sh.
mussel,test: split each step functions.
mussel,test: split each step functions.
mussel,test: refactor wait_for_instance_state_is().
mussel,test: enable to set image_id with shell-variable.
mussel,test: remove unused codes.
Remove text_log model
Remove incremental count
Converted response values
Added to get start time params
Changed time format to iso8601
Added time search field.
mussel,test: split security_group rw test.
mussel,test: split ssh_key_pair rw test.
mussel,test: split instance rw test.
zabbix: add required my.cnf parameter at image generation time.
mussel,test: move retry_until() to v12.03/helper_shunit2.sh.