In capistrano config, increment Ruby version for rvm.
Capistrano RVM bundle wrapper task.
Revert "Capistrano RVM bundle wrapper task."

This reverts commit 82527fa7fd2e80b6edcf328378e9b3612d40bd89.
Merge branch 'staging'
Merge branch 'staging'
Instructions added for installing a recent version von Redis.
Cosmetics.
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
Only show user for recently updated ontologies on home#show, if it is present. Fixes #464.
Merge branch 'staging'
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
autosave for sentences disabled

should avoid ActiveRecord::StatementInvalid: PG::NotNullViolation
related to #340
Test in 2.1.0 but not in ruby-head anymore on travis.
Removed old ontohub icons.