Adds more specs for the new_vis_dialog
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  properly render errors in Visualization::Member#full_errors
  clean up
  [importer] Stub Ogr2ogr wrapper
  [importer] Remove unnecessary Job#loader_for
  [importer] fix typo
  [importer] Add Guardfile
  [importer] rename importer_spec.rb to job_spec.rb
  [importer] Explicitly require track_record in Loader
  fixed #2382
  fixed #2380
Adds scrollpane to new vis dialog. Adds specs. Changes the order of the tables in the dialog (newer go first). Adds a little animation
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  Adds rollback to 2.1 migration
Fixes misspelling