OPAL-1910: Taxonomy admin UI
OPAL-1910: Store Taxonomies in OrientDb
OPAL-1910: New resource for ws/system/conf/taxonomy/{name}/vocabulary/{voc} and ws/system/conf/taxonomy/{name}/vocabularies
OPAL-1910: Taxonomy service and UI for drag-n-drop
OPAL-1910: General config UI
OPAL-1910: Removing TempDefaultConfig
OPAL-1910: Removing TempDefaultConfig
Merge pull request #294 from emorency/feature/OPAL-1910-Taxonomies-UI

OPAL-1910: General Config UI and Taxonomies
OPAL-1973 Derived variables can only be removed or edited by the view resource
OPAL-1973 Remove variable implemented in Variable presenter
Test fix