back to dev
Merge branch 'qa' into develop

* qa:
  release 1.6.1
  hotfix: don't let plone move files into the storage. (doesn't work with transaction abort/retry)
  release 1.5.0

Conflicts:
	setup.py
reduce code duplication in upload forms and enable metadata extraction in all upload forms
fix ++widget++ rendering for vocabulary driven fields that require an authenticated user
add vocabulary for coordinate reference systems
add metadata function to dataset_tools helper view
extract more metadata with getdsmetadata call (used in all sorts of views etc...)
add extra metadata to occurrences and absences select boxes
add resolution to DatasetsLayerWidget
provide dataset type vocabulary
show spatial scale on environmental datasets selection widget
add dlinfo to item for widget rendering
update tests
make job_state accessible in dataset_tools helper view
slight improvement on source model selector for projections
provide additional info about projection datasets for biodiverse experiments
fix import of bccvl style bagit archives (multi layer zip files)
extend layer and resolution vocabulary
update tests
add additional data genre and resolution mapping for bccvl style bagit import
prepare release 1.6.2