add to centromere qualifiers

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@13726 ee4ac58c-ac51-4696-9907-e4b3aa274f04

etc/feature_keys_gff

@@ -5,7 +5,7 @@
 #
 # key               Qualifiers (@=mandatory)
 # =======           ========================
-centromere          ID Name Alias Parent Note Target Gap Derives_from feature_id isObsolete timelastmodified
+centromere          ID Name Alias Parent Note Target Gap Derives_from feature_id isObsolete timelastmodified note comment private curation
 region              ID Name Alias Parent Note Target Gap Derives_from Dbxref Ontology_term feature_id isObsolete timelastmodified description locus stable_id EC_number gene_symbol Ontology_term dbxref molecule_type size organism_name strain topology localization gff_source gff_seqname score 
 #contig              ID Name Alias Parent Note Target Gap Derives_from Dbxref Ontology_term feature_id isObsolete timelastmodified description locus stable_id EC_number gene_symbol Ontology_term Dbxref molecule_type size organism_name strain topology localization gff_source gff_seqname score 
 #supercontig         ID Name Alias Parent Note Target Gap Derives_from Dbxref Ontology_term feature_id isObsolete timelastmodified description locus stable_id EC_number gene_symbol Ontology_term Dbxref molecule_type size organism_name strain topology localization gff_source gff_seqname score