Provoke issue described in #164 in test.
Travis: No deployment branch; test develop.ontohub.org.
We need git-svn on travis for testing of the git branch and the further releases.
Merge branch 'develop' into issue164-undefined_kind_in_entities
Allow using the ontology search as filter of ontologies
views for metadata fields
fixing missing tabbar-error
let DOs generate child-iris with ? instead of #.

In HTTP/URL syntax the "#" represents a fragment which
isn't even send to the server. This usually means that
it is not appropriate to use "#" for single individuals.
Instead we will use the Query-Separator "?".
adjust test(s) to use new ?-query syntax.
use do-child, when provided, for custom routing.
provide more failing information for entity-spec.
remove unnessecerily routes
Merge branch 'staging', remote-tracking branch 'origin' into augmenting318_listing_ontologies_for_repositories
Handling of Sidekiq::Shutdown

Set the state to pending, because sidekiq requeues the current job.
Closes #340 and #430
Define a Response class explicitly
Merge branch 'augmenting318_listing_ontologies_for_repositories' of github.com:ontohub/ontohub into augmenting318_listing_ontologies_for_repositories
Merge pull request #451 from ontohub/hotfix_entity_spec

Hotfix entity spec
add database-cleaner to rspec.
fix database cleaning method for rspec.
Sidekiq and Sidetiq updated