removing whitespace around homonymes
bugfix for #2679 (Improve Concept Relationships for Dataportal) and removing whitespace before nom status
fixing #2679 (Improve Concept Relationships for Dataportal)
portal side fix for #2679 (Improve Concept Relationships for Dataportal)
using abbreviated label for taxon relationships (fixes one problem in #2609)
reorganizing drupal sub repository: sparate folders per version 5.x, 6.x & 7.x