1578 make owl api work with ontohub urls that have no filename extension (#1768) * API controller is now invoked when no Accept header is sent * Use text/plain as default for ontology versions api * Send correct accept header * Fix the ref based locid route * Remove ref_id * Remove debug puts * Fix locid routing tests * route html to api * Add routes.rb to ignore list * Move plain text default helper to concern * Fix test * More tests require accept header * Remove tags from steps

Fix alignment of method calls.

Fix dot position.

Allow to omit the utf8 comment.

Use rubocop's and hound's inheritance This allows to use rubocop as well as hound without duplicating the styleguide config file. By default, rubocop uses the project's .rubocop.yml as config file. This tremendously decreases complexity of the stylecheck script.