show oops button for owl2 ontologies only
refactored oops support check
Reject old versions of Hets
Error message in tests on old hets version.
A little styling.
Just renaming.
Simplify triple store
Install bundler before bundle install.
Remove usage message from the error output
Add urn scheme to allowed uri schemes
Add skeleton for logic test
Gems updated
replace occurrences of iri or Iri with IRI.
Revert "replace occurrences of iri or Iri with IRI."

This reverts commit 0751189fc9f1c2cd8db4300f5f42417d8410847e.
establish IRI consistency via config.
Merge branch 'correcting195_consistent_IRI_spelling' into staging
Merge remote-tracking branch 'origin/augmenting166_displaying_hets_error' into staging
Merge remote-tracking branch 'origin/correcting176_simplifying_triple_store' into staging

Conflicts:
	lib/triple_store.rb
Make search scope work in join queries.
Merge remote-tracking branch 'origin/correcting175_restricting_oops_requests' into staging