hydra: nar was replaced, so also move in robots.txt

Dependencies

• [2] OC4JSQJV * hydra: robots.txt, also disallow logs for the actual builds
• [3] SDSIJMOH * Don't crawl the channel pages, particularly because the "all"
• [4] 5EV65EDZ * Generate robots.txt in a more Catalystic way.
• [5] 4XVMHKBK
• [*] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

• edit in src/lib/Hydra/Controller/Root.pm at line 118
  [3.120]→[3.120:178](∅→∅)
  − , uri_for($controller, 'nar', $bindings, "*")
• edit in src/lib/Hydra/Controller/Root.pm at line 134
  [2.97]

  [3.838]
  + , uri_for('Root', 'nar', [], "*")