Pensoft: add values to taxon-name-part

[tcatapano]

Pensoft:

kingdom
subkingdom
phylum
subphylum
superclass
class
subclass
superorder
order
suborder
infraorder
superfamily
family
subfamily
tribe
subtribe
genus
subgenus
section
subsection
speciesAggregate
species
subspecificAggregate
subspecies
variety
subvariety
form
subform
cultivarGroup
cultivar
basionym-authority
taxon-authority
taxon-status (sp. n., comb. n., gen. n., syn. n., stat. n., nomen novum, etc.)
uncertainty-rank (=, ?, cf., aff.)
infraspecific-rank (var., subsp., f.)

DarwinCore + Plazi Additional Ranks:

domain
superkingdom
*kingdom
subkingdom
infrakingdom
superphylum
*phylum
subphylum
superclass
*class
subclass
infraclass
superorder
*order
suborder
infraorder
superfamily
*family
subfamily
infrafamily
supertribe
tribe
subtribe
infratribe
*genus
subgenus
infragenus
section
subsection
series
subseries
speciesAggregate
*specificEpithet
subspeciesEpithet
infraspeciesEpithet
graftChimaeraEpithet
cultivarGroupEpithet
convarEpithet
cultivarEpithet
bioVarietyEpithet
pathoVarietyEpithet
varietyEpithet
subvarietyEpithet
subsubvarietyEpithet
formEpithet
subformEpithet
subsubformEpithet
specialformEpithet
candidateEpithet

[tcatapano]

Again, probably best handled via schematron, and maybe through an external vocabulary

[tcatapano]

See #73. Best accomplished via secondary validation in Schematron. Closing