For peter (#592)

* use templates keys for args

* works for me

* fixing model prob and paralel driver'

* version changes

* version bla

* Trying to let peter overwrite path via subpath keyword

* pefrect way

* remove C commments

* first pass at getting correct version for test suite

* flake8ed , caught a bunch of things in dump_cmor as well

* no py37 yet on mac need to force 3.6

* removed pribt statemrnts

pcmdi_metrics/driver/observation.py

@@ -29,8 +29,6 @@ def __init__(self, root, var, obs_dict, obs='default',
 
  template = obs_dict[var][obs_name].get("template", "%(realm)/%(frequency)/%(variable)/" +
  "%(reference)/%(ac)/%(filename)")
- print("OBFDDF:", obs_dict[var])
- print("TEMPLATE:", root, template)
 
  super(OBS, self).__init__(root, template, file_mask_template)