rf: remove old spec dir
add: reorganized file directory in specs
Merge branch 'master' into rf/spec-locations

* master: (112 commits)
  NeuroImaging Data Model
  Notebook to convert Google spreadsheet into owl with history
  latest nidm-results.owl version with history
  Update ontology owl file
  Update ontology
  add: dct:description annotation for the ontology metadata
  add: dct:creator annotation for the ontology metadata
  add: dct:rights annotation property
  add: dct:publisher annotation property
  add: dct:description annotation property
  add: dct:date annotation property
  add: dct:contributor annotation property
  add: dct:creator annotation property
  add: a title
  add: dct namespace.
  add: domain and range for nidm:voxel*.
  add: domain and range for nidm:visualization.
  add: domain and range for nidm:userSpecifiedThresholdType.
  add: domain and range for nidm:underlayFile.
  add: domain and range for nidm:targetIntensity.
  ...
rf: move figures into specs/img
rf: standardize spec name for fsl
rf: standardize spec name for results
rf: standardize spec name for nidm
rf: standardize spec name for spm
rf: standardize img name for figure 1
rf: standardize img name for nidm inference
rf: standardize img name for nidm inference fsl
rf: standardize img name for nidm inference spm
rf: standardize img name for model fitting
rf: standardize img name for model fitting fsl
rf: standardize img name for model fitting spm
rf: standardize img name for domain overview
rf: standardize img name for results overview
rf: standardize img name for results overview edc
rf: standardize img name for results overview
rf: rm __init__.py as is not needed here