Change the icon of Ontohub to the one of OOR
display UrlMap action buttons on repository write

If someone has write access on the repository he/she
can edit/add UrlMaps.
after an owl ontology is imported the entity tree is generated
fixing error with pagination and entity tree
tests are green again
Merge pull request #551 from ontohub/550-adjust_accessrights_for_url_maps

display UrlMap action buttons on repository write
Merge branch 'staging' into 549-updating-ontohub-icon
cosmetic commits
Removed old ontohub icons.
Merge branch 'staging' into 249-display_symbols_as_dag

Conflicts:
	app/models/ontology/entities.rb
Merge pull request #556 from ontohub/549-updating-ontohub-icon

Updating ontohub icon, fixes #549.
Refactoring and fixing of two issues:

* First click on entities#index showed hierarchy _and_ details views.
* Hierarchy was not correctly built (maybe because of wrong error raising on
  detected circle).
Merge pull request #552 from ontohub/249-display_symbols_as_dag

Generate entity hierarchy for new OWL ontologies and fix bugs with hierarchy view. Related to #249.
Merge branch 'master' into staging
Migration to Capistrano 3
reverse boolean on authorized key remove

When we remove a key, we should only delete
the specific key and not every other key.
Merge pull request #567 from ontohub/fix_nasty_authorized_keys_error

Reverse boolean on authorized key remove. Should fix #559.
Merge branch 'staging'

Conflicts:
	config/deploy/god.rb