Replaced local use of  with which()
Merge pull request #100 from nhr/master

Replaced local use of  with which()
Added target version, target OS support to workflows
Merge pull request #103 from nhr/master

Added target version, target OS support to workflows
Workflow configuration extended to support versions, host target types
Merge pull request #106 from nhr/workflow_config_extensions

Workflow configuration extended to support versions, host target types
Modified assistant to avoid  for localhost
Merge pull request #109 from nhr/master

Modified assistant to avoid `command -v` for localhost