create_organismprops

Usage: $set->create_organismprops({ baz => 2, foo => 'bar' });
Desc : convenience method to create organism properties using cvterms
        from the ontology with the given name
Args : hashref of { propname => value, ...},
       options hashref as:
        {
          autocreate => 0,
             (optional) boolean, if passed, automatically create cv,
             cvterm, and dbxref rows if one cannot be found for the
             given featureprop name.  Default false.

          cv_name => cv.name to use for the given organismprops.
                     Defaults to 'organism_property',

          db_name => db.name to use for autocreated dbxrefs,
                     default 'null',

          dbxref_accession_prefix => optional, default
                                     'autocreated:',
          definitions => optional hashref of:
              { cvterm_name => definition,
              }
           to load into the cvterm table when autocreating cvterms

          allow_duplicate_values => default false.
             If true, allow duplicate instances of the same cvterm
             and value in the properties of the feature.  Duplicate
             values will have different ranks.
        }
Ret  : hashref of { propname => new organismprop object }