implementing solution for #3489 (dataportal must not always load all descriptionelements for the general tab)
solving bug and reducing confusion about featureTree REST services
searching on all classifications now possible and fixing some bugs related to #2896
feature tree for specimen descriptions, resetting map service uri
fixing #3235 (display SpecimensAndObservations of related taxa in the specimens tab) - using the occurrence/byAssociatedTaxon web service
copy drupal7 dataportal module into trunk