Ensuring analysers know about directory of omt file and look for data files in there

Running jLEMS & jNeuromL in same dir as omt file
Addressed & fixes https://github.com/OpenSourceBrain/osb-model-
validation/issues/26 (tested locally; need to test on travis)
Adding back in an import
Outputs a string for the observed data that's easier to cut & paste into mep files
Tidying up text output
Merge branch 'master' into test_new_backends

* master: (27 commits)
  parsing scietific notation in omt values
  added scaling to area
  added area and temp handling to genesis b-e
  adding .g util file to package
  genesis utility function for getting total area
  removing debugging prints
  nxgenesis for checking instalation
  debugging getgenesis on travis
  debugging getgenesis on travis
  debugging getgenesis on travis
  debugging getgenesis on travis
  trying nxgenesis
  new genesis tgz dir struct
  debugging genesis on travis
  more pointless subdir renaming
  getting rid of home/genesis/genesis
  getting raw tgz
  debugging getgenesis on travis
  tentative getgenesis script, will test on travis
  more functionality for the genesis b-e
  ...
Adding backends for validating directories of nml1 or nml2 files
Merge pull request #36 from OpenSourceBrain/test_new_backends

Test new backends & ensuring analysers know about directory of omt file. Fixes #25. FIxes #26.