trying to fix sshable? for gce
more attempts to get ssh in compute workings.
temporary debug info.
[openvz] Fixes #1871 test helper callback

This moves the setting up of an `at_exit` callback from when the file
is required to when the matching helper is used.

This prevents it failing on any run where OpenVZ is excluded.
Authentication + get_organizations working, need to be cleaned up
get_organization implemented
refactor get_organizations, not overriding the path, require parses in the request class
get_catalog implemented
get_catalog_item implemented
get_vapp_template implemented
clean-up
get_vdc implemented
fix defaults
get_network implemented
 end_point helpers
default_network_name
clean-up
implemented: default_organization_body, default_vdc_body, default_catalog_id, get_network_name_by_network_id
instantiate_vapp_template before even test it
get_app first implementation, parser isn't working properly